Défarge, Christian, Gautret, Pascale, Reitner, Joachim, Trichet, Jean
This is a reply to R.S. Perry and M.A. Sephton's “Reply to comments on defining biominerals and organominerals: direct and indirect indicators of life [Perry et al., Sedimentary Geology, 201,...
Défarge, Christian, Gautret, Pascale, Reitner, Joachim, Trichet, Jean
This is a reply to R.S. Perry and M.A. Sephton's “Reply to comments on defining biominerals and organominerals: direct and indirect indicators of life [Perry et al., Sedimentary Geology, 201,...
Défarge, Christian, Gautret, Pascale, Reitner, Joachim, Trichet, Jean
This is a reply to R.S. Perry and M.A. Sephton's “Reply to comments on defining biominerals and organominerals: direct and indirect indicators of life [Perry et al., Sedimentary Geology, 201,...
Défarge, Christian, Gautret, Pascale, Reitner, Joachim, Trichet, Jean
This is a reply to R.S. Perry and M.A. Sephton's “Reply to comments on defining biominerals and organominerals: direct and indirect indicators of life [Perry et al., Sedimentary Geology, 201,...
Défarge, Christian, Gautret, Pascale, Reitner, Joachim, Trichet, Jean
The paper by Perry et al. (2007, Defining biominerals and organominerals: Direct and indirect indicators of life, Sedimentary Geology, 201, 157-179) proposes to introduce “the new term...
Défarge, Christian, Gautret, Pascale, Reitner, Joachim, Trichet, Jean
The paper by Perry et al. (2007, Defining biominerals and organominerals: Direct and indirect indicators of life, Sedimentary Geology, 201, 157-179) proposes to introduce the new term...
Malam Issa, Oumarou, Défarge, Christian, Trichet, Jean, Valentin, C., Rajot, J.L.
Microbiotic soil crusts are common features of the surface of fallow land in Western Niger. We investigated the interaction between these microbial covers and the porosity and water dynamics of soils...
Malam Issa, Oumarou, Défarge, Christian, Trichet, Jean, Valentin, C., Rajot, J.L.
Microbiotic soil crusts are common features of the surface of fallow land in Western Niger. We investigated the interaction between these microbial covers and the porosity and water dynamics of soils...
Ben Hassen, Aïda, Trichet, Jean, Disnar, Jean-Robert, Belayouni, H.
L'étude de la matière organique (MO) associée aux sédiments phosphatés a été conduite sur des fractions séparées – grains phosphatés (pellets) et leurs matrices – de strates riches en...
Ben Hassen, Aïda, Trichet, Jean, Disnar, Jean-Robert, Belayouni, H.
L'étude de la matière organique (MO) associée aux sédiments phosphatés a été conduite sur des fractions séparées – grains phosphatés (pellets) et leurs matrices – de strates riches en...
Défarge, Christian, Gautret, Pascale, Reitner, Joachim, Trichet, Jean
The best reply to Perry and Sephton's (2009) reply to comments by Altermann et al. (2009) and Défarge et al. (2009) on the paper by Perry et al. (2007, Defining biominerals and organominerals:...
Défarge, Christian, Gautret, Pascale, Reitner, Joachim, Trichet, Jean
The best reply to Perry and Sephton's (2009) reply to comments by Altermann et al. (2009) and Défarge et al. (2009) on the paper by Perry et al. (2007, Defining biominerals and organominerals:...
Défarge, Christian, Gautret, Pascale, Reitner, Joachim, Trichet, Jean
The best reply to Perry and Sephton's (2009) reply to comments by Altermann et al. (2009) and Défarge et al. (2009) on the paper by Perry et al. (2007, Defining biominerals and organominerals:...
Ben Hassen, Aïda, Trichet, Jean, Disnar, Jean-Robert, Belayouni, H.
L'étude de la matière organique (MO) associée aux sédiments phosphatés a été conduite sur des fractions séparées – grains phosphatés (pellets) et leurs matrices – de strates riches en...
Malam Issa, Oumarou, Défarge, Christian, Trichet, Jean, Valentin, C., Rajot, J.L.
Microbiotic soil crusts are common features of the surface of fallow land in Western Niger. We investigated the interaction between these microbial covers and the porosity and water dynamics of soils...
Défarge, Christian, Gautret, Pascale, Reitner, Joachim, Trichet, Jean
The paper by Perry et al. (2007, Defining biominerals and organominerals: Direct and indirect indicators of life, Sedimentary Geology, 201, 157-179) proposes to introduce “the new term...
Défarge, Christian, Gautret, Pascale, Reitner, Joachim, Trichet, Jean
The best reply to Perry and Sephton's (2009) reply to comments by Altermann et al. (2009) and Défarge et al. (2009) on the paper by Perry et al. (2007, Defining biominerals and organominerals:...
Ben Hassen, Aïda, Trichet, Jean, Disnar, Jean-Robert, Belayouni, H.
L'étude de la matière organique (MO) associée aux sédiments phosphatés a été conduite sur des fractions séparées – grains phosphatés (pellets) et leurs matrices – de strates riches en...
Malam Issa, Oumarou, Défarge, Christian, Trichet, Jean, Valentin, C., Rajot, J.L.
Microbiotic soil crusts are common features of the surface of fallow land in Western Niger. We investigated the interaction between these microbial covers and the porosity and water dynamics of soils...
Défarge, Christian, Gautret, Pascale, Reitner, Joachim, Trichet, Jean
The paper by Perry et al. (2007, Defining biominerals and organominerals: Direct and indirect indicators of life, Sedimentary Geology, 201, 157-179) proposes to introduce “the new term...
Ben Hassen, Aïda, Trichet, Jean, Belayouni, H., Disnar, Jean-Robert
Humic substances (HS) were extracted from faecal pellets - ovoid phosphatic grains 50-200 µm in size - collected from commercially mined phosphatic sediments, in the Gafsa Basin. The phosphatic...
Ben Hassen, Aïda, Trichet, Jean, Belayouni, H., Disnar, Jean-Robert
Humic substances (HS) were extracted from faecal pellets - ovoid phosphatic grains 50-200 µm in size - collected from commercially mined phosphatic sediments, in the Gafsa Basin. The phosphatic...
Ben Hassen, Aïda, Trichet, Jean, Belayouni, H., Disnar, Jean-Robert
Humic substances (HS) were extracted from faecal “pellets” - ovoid phosphatic grains 50-200 µm in size - collected from commercially mined phosphatic sediments, in the Gafsa Basin. The...
Ben Hassen, Aïda, Trichet, Jean, Belayouni, H., Disnar, Jean-Robert
Humic substances (HS) were extracted from faecal “pellets” - ovoid phosphatic grains 50-200 µm in size - collected from commercially mined phosphatic sediments, in the Gafsa Basin. The...
Kovac, Nives, Mozetic, Patricija, Trichet, Jean, Defarge, Christian
Two types of northern Adriatic mucous macroaggregatessurface and cloud-likecollected in June 2000 at the sea surface and at the depth of the pycnocline, respectively, were studied by light and...
Gautret, Pascale, Trichet, Jean
This paper provides evidence of the role of the proteinaceous constituents of the sedimentary organic matter in the control of (Ca, Mg) carbonate precipitation within recent stromatolitic sediments...
Ben Hassen, Aïda, Trichet, Jean
Les phosphorites, roches sédimentaires contenant plus de 18% de P2O5, se caractérisent par leur contenu en matière organique (M.O.). Celle-ci se partage entre deux compartiments de la roche: le...
Ben Hassen, Aïda, Trichet, Jean
A study of pellets, phosphatic grains whose size lie between 50 and 200 m, of the Tertiary Gafsa Metlaoui basin (Tunisia) has been performed by X-ray diffraction, IR spectroscopy, CNS...
Gautret, Pascale, Trichet, Jean
This paper provides evidence of the role of the proteinaceous constituents of the sedimentary organic matter in the control of (Ca, Mg) carbonate precipitation within recent stromatolitic sediments...
Kovac, Nives, Mozetic, Patricija, Trichet, Jean, Défarge, Christian
Two types of northern Adriatic mucous macroaggregatessurface and cloud-likecollected in June 2000 at the sea surface and at the depth of the pycnocline, respectively, were studied by light and...
Ben Hassen, Aïda, Trichet, Jean
Les phosphorites, roches sédimentaires contenant plus de 18% de P2O5, se caractérisent par leur contenu en matière organique (M.O.). Celle-ci se partage entre deux compartiments de la roche: le...
Ben Hassen, Aïda, Trichet, Jean
A study of pellets, phosphatic grains whose size lie between 50 and 200 m, of the Tertiary Gafsa Metlaoui basin (Tunisia) has been performed by X-ray diffraction, IR spectroscopy, CNS...
Gautret, Pascale, Trichet, Jean
This paper provides evidence of the role of the proteinaceous constituents of the sedimentary organic matter in the control of (Ca, Mg) carbonate precipitation within recent stromatolitic sediments...
Kovac, Nives, Mozetic, Patricija, Trichet, Jean, Défarge, Christian
Two types of northern Adriatic mucous macroaggregatessurface and cloud-likecollected in June 2000 at the sea surface and at the depth of the pycnocline, respectively, were studied by light and...
Ben Hassen, Aïda, Trichet, Jean
A study of pellets, phosphatic grains whose size lie between 50 and 200 m, of the Tertiary Gafsa Metlaoui basin (Tunisia) has been performed by X-ray diffraction, IR spectroscopy, CNS...
Ben Hassen, Aïda, Trichet, Jean
Les phosphorites, roches sédimentaires contenant plus de 18% de P2O5, se caractérisent par leur contenu en matière organique (M.O.). Celle-ci se partage entre deux compartiments de la roche: le...
Gautret, Pascale, Trichet, Jean
This paper provides evidence of the role of the proteinaceous constituents of the sedimentary organic matter in the control of (Ca, Mg) carbonate precipitation within recent stromatolitic sediments...
Kovac, Nives, Mozetic, Patricija, Trichet, Jean, Défarge, Christian
Two types of northern Adriatic mucous macroaggregatessurface and cloud-likecollected in June 2000 at the sea surface and at the depth of the pycnocline, respectively, were studied by light and...
Ben Hassen, Aïda, Trichet, Jean
A study of “pellets”, phosphatic grains whose size lie between 50 and 200 Μm, of the Tertiary Gafsa Metlaoui basin (Tunisia) has been performed by X-ray diffraction, IR spectroscopy, CNS...
Ben Hassen, Aïda, Trichet, Jean
Les phosphorites, roches sédimentaires contenant plus de 18% de P2O5, se caractérisent par leur contenu en matière organique (M.O.). Celle-ci se partage entre deux compartiments de la roche: le...
Gautret, Pascale, Trichet, Jean
This paper provides evidence of the role of the proteinaceous constituents of the sedimentary organic matter in the control of (Ca, Mg) carbonate precipitation within recent stromatolitic sediments...
Kovac, Nives, Mozetic, Patricija, Trichet, Jean, Défarge, Christian
Two types of northern Adriatic mucous macroaggregates—surface and cloud-like—collected in June 2000 at the sea surface and at the depth of the pycnocline, respectively, were studied by light and...
Ben Hassen, Aïda, Trichet, Jean
A study of “pellets”, phosphatic grains whose size lie between 50 and 200 Μm, of the Tertiary Gafsa Metlaoui basin (Tunisia) has been performed by X-ray diffraction, IR spectroscopy, CNS...
Ben Hassen, Aïda, Trichet, Jean
Les phosphorites, roches sédimentaires contenant plus de 18% de P2O5, se caractérisent par leur contenu en matière organique (M.O.). Celle-ci se partage entre deux compartiments de la roche: le...
Gautret, Pascale, Trichet, Jean
This paper provides evidence of the role of the proteinaceous constituents of the sedimentary organic matter in the control of (Ca, Mg) carbonate precipitation within recent stromatolitic sediments...
Kovac, Nives, Mozetic, Patricija, Trichet, Jean, Défarge, Christian
Two types of northern Adriatic mucous macroaggregates—surface and cloud-like—collected in June 2000 at the sea surface and at the depth of the pycnocline, respectively, were studied by light and...
Characterization of model soil colloids by cryo-scanning electron microscopy. (2004)
Nègre, M., Leone, P ., Trichet, Jean, Défarge, Christian, Boero, V., Gennari, M.
The cryo-scanning electron microscopy (cryo-SEM) consists of the SEM examination of samples whose microstructure has been fixed by plunge-freezing into a liquid with a high thermal conductivity, such...
Trichet, Jean, Défarge, Christian, Bourrat, Xavier
Les dépôts sédimentaires et les organismes fossilisés offrent de nombreux modèles où des minéralisations essentiellement carbonatées et phosphatées - se développent au sein de matières...
Trichet, Jean, Défarge, Christian, Bourrat, Xavier
Les dépôts sédimentaires et les organismes fossilisés offrent de nombreux modèles où des minéralisations essentiellement carbonatées et phosphatées - se développent au sein de matières...
Characterization of model soil colloids by cryo-scanning electron microscopy. (2004)
Nègre, M., Leone, P ., Trichet, Jean, Défarge, Christian, Boero, V., Gennari, M.
The cryo-scanning electron microscopy (cryo-SEM) consists of the SEM examination of samples whose microstructure has been fixed by plunge-freezing into a liquid with a high thermal conductivity, such...
Trichet, Jean, Défarge, Christian, Bourrat, Xavier
Les dépôts sédimentaires et les organismes fossilisés offrent de nombreux modèles où des minéralisations essentiellement carbonatées et phosphatées - se développent au sein de matières...
Characterization of model soil colloids by cryo-scanning electron microscopy. (2004)
Nègre, M., Leone, P ., Trichet, Jean, Défarge, Christian, Boero, V., Gennari, M.
The cryo-scanning electron microscopy (cryo-SEM) consists of the SEM examination of samples whose microstructure has been fixed by plunge-freezing into a liquid with a high thermal conductivity, such...
Trichet, Jean, Défarge, Christian, Bourrat, Xavier
Les dépôts sédimentaires et les organismes fossilisés offrent de nombreux modèles où des minéralisations essentiellement carbonatées et phosphatées - se développent au sein de matières...
Characterization of model soil colloids by cryo-scanning electron microscopy. (2004)
Nègre, M., Leone, P ., Trichet, Jean, Défarge, Christian, Boero, V., Gennari, M.
The cryo-scanning electron microscopy (cryo-SEM) consists of the SEM examination of samples whose microstructure has been fixed by plunge-freezing into a liquid with a high thermal conductivity, such...
Trichet, Jean, Défarge, Christian, Bourrat, Xavier
Les dépôts sédimentaires et les organismes fossilisés offrent de nombreux modèles où des minéralisations – essentiellement carbonatées et phosphatées - se développent au sein de matières...
Characterization of model soil colloids by cryo-scanning electron microscopy. (2004)
Nègre, M., Leone, P ., Trichet, Jean, Défarge, Christian, Boero, V., Gennari, M.
The cryo-scanning electron microscopy (cryo-SEM) consists of the SEM examination of samples whose microstructure has been fixed by plunge-freezing into a liquid with a high thermal conductivity, such...
Trichet, Jean, Défarge, Christian, Bourrat, Xavier
Les dépôts sédimentaires et les organismes fossilisés offrent de nombreux modèles où des minéralisations – essentiellement carbonatées et phosphatées - se développent au sein de matières...
Characterization of model soil colloids by cryo-scanning electron microscopy. (2004)
Nègre, M., Leone, P ., Trichet, Jean, Défarge, Christian, Boero, V., Gennari, M.
The cryo-scanning electron microscopy (cryo-SEM) consists of the SEM examination of samples whose microstructure has been fixed by plunge-freezing into a liquid with a high thermal conductivity, such...
Malam Issa, O., Le Bissonais, Y., Défarge, Christian, Trichet, Jean
Microbiotic soil crusts, mostly formed by cyanobacteria, are widespread on the surface of fallow land in western Niger. They lie adjacent to completely bare soils. We have investigated the structural...
Trichet, Jean, Défarge, Christian, Tribble, J., Tribble, G.W., Sansone, F.J.
The atoll of Christmas Island (now known as Kiritimati) in the Kiribati Republic (Central Pacific) lies at about 2°N in the intertropical convergence zone. Much of the surface area of the atoll (ca....
Nitrogen fixation by microbial crusts from desiccated Sahelian soils (Niger) (2001)
Malam Issa, O., Stal, Lucas J., Défarge, Christian, Trichet, Jean, Couté, A.
Cyanobacterial crusts developing on the sandy and loamy soils of fallow lands in the Sahel (Niger) were investigated for their potential to fix nitrogen. Three sites were selected in this arid...
Nitrogen fixation by microbial crusts from desiccated Sahelian soils (Niger) (2001)
Malam Issa, O., Stal, Lucas J., Défarge, Christian, Trichet, Jean, Couté, A.
Cyanobacterial crusts developing on the sandy and loamy soils of fallow lands in the Sahel (Niger) were investigated for their potential to fix nitrogen. Three sites were selected in this arid...
Malam Issa, O., Le Bissonais, Y., Défarge, Christian, Trichet, Jean
Microbiotic soil crusts, mostly formed by cyanobacteria, are widespread on the surface of fallow land in western Niger. They lie adjacent to completely bare soils. We have investigated the structural...
Trichet, Jean, Défarge, Christian, Tribble, J., Tribble, G.W., Sansone, F.J.
The atoll of Christmas Island (now known as Kiritimati) in the Kiribati Republic (Central Pacific) lies at about 2°N in the intertropical convergence zone. Much of the surface area of the atoll (ca....
Nitrogen fixation by microbial crusts from desiccated Sahelian soils (Niger) (2001)
Malam Issa, Oumarou, Stal, Lucas J., Défarge, Christian, Trichet, Jean, Couté, A.
Cyanobacterial crusts developing on the sandy and loamy soils of fallow lands in the Sahel (Niger) were investigated for their potential to fix nitrogen. Three sites were selected in this arid...
Malam Issa, Oumarou, Le Bissonais, Yves, Défarge, Christian, Trichet, Jean
Microbiotic soil crusts, mostly formed by cyanobacteria, are widespread on the surface of fallow land in western Niger. They lie adjacent to completely bare soils. We have investigated the structural...
Trichet, Jean, Défarge, Christian, Tribble, J., Tribble, G.W., Sansone, F.J.
The atoll of Christmas Island (now known as Kiritimati) in the Kiribati Republic (Central Pacific) lies at about 2°N in the intertropical convergence zone. Much of the surface area of the atoll (ca....
Malam Issa, Oumarou, Le Bissonais, Yves, Défarge, Christian, Trichet, Jean
Microbiotic soil crusts, mostly formed by cyanobacteria, are widespread on the surface of fallow land in western Niger. They lie adjacent to completely bare soils. We have investigated the structural...
Nitrogen fixation by microbial crusts from desiccated Sahelian soils (Niger) (2001)
Malam Issa, Oumarou, Stal, Lucas J., Défarge, Christian, Trichet, Jean, Couté, A.
Cyanobacterial crusts developing on the sandy and loamy soils of fallow lands in the Sahel (Niger) were investigated for their potential to fix nitrogen. Three sites were selected in this arid...
Trichet, Jean, Défarge, Christian, Tribble, J., Tribble, G.W., Sansone, F.J.
The atoll of Christmas Island (now known as Kiritimati) in the Kiribati Republic (Central Pacific) lies at about 2°N in the intertropical convergence zone. Much of the surface area of the atoll (ca....
Nitrogen fixation by microbial crusts from desiccated Sahelian soils (Niger) (2001)
Malam Issa, Oumarou, Stal, Lucas J., Défarge, Christian, Trichet, Jean, Couté, Alain
Cyanobacterial crusts developing on the sandy and loamy soils of fallow lands in the Sahel (Niger) were investigated for their potential to fix nitrogen. Three sites were selected in this arid...
Malam Issa, Oumarou, Le Bissonais, Yves, Défarge, Christian, Trichet, Jean
Microbiotic soil crusts, mostly formed by cyanobacteria, are widespread on the surface of fallow land in western Niger. They lie adjacent to completely bare soils. We have investigated the structural...
Trichet, Jean, Défarge, Christian, Tribble, J., Tribble, G.W., Sansone, F.J.
The atoll of Christmas Island (now known as Kiritimati) in the Kiribati Republic (Central Pacific) lies at about 2°N in the intertropical convergence zone. Much of the surface area of the atoll (ca....
Nitrogen fixation by microbial crusts from desiccated Sahelian soils (Niger) (2001)
Malam Issa, Oumarou, Stal, Lucas J., Défarge, Christian, Trichet, Jean, Couté, Alain
Cyanobacterial crusts developing on the sandy and loamy soils of fallow lands in the Sahel (Niger) were investigated for their potential to fix nitrogen. Three sites were selected in this arid...
Malam Issa, Oumarou, Le Bissonais, Yves, Défarge, Christian, Trichet, Jean
Microbiotic soil crusts, mostly formed by cyanobacteria, are widespread on the surface of fallow land in western Niger. They lie adjacent to completely bare soils. We have investigated the structural...
Trichet, Jean, Défarge, Christian, Tribble, J., Tribble, G.W., Sansone, F.J.
The atoll of Christmas Island (now known as Kiritimati) in the Kiribati Republic (Central Pacific) lies at about 2°N in the intertropical convergence zone. Much of the surface area of the atoll (ca....
Tribovillard, N., Trentesaux, A., Trichet, Jean, Défarge, Christian
Two types of laminated sediments are compared in this paper: the Kimmeridgian bituminous laminites of Orbagnoux (French Southern Jura Mountains) and the present-day kopara' of the French Polynesia...
Tribovillard, Nicolas, Trentesaux, A., Trichet, Jean, Défarge, Christian
Two types of laminated sediments are compared in this paper: the Kimmeridgian bituminous laminites of Orbagnoux (French Southern Jura Mountains) and the present-day kopara' of the French Polynesia...
Tribovillard, Nicolas, Trentesaux, A., Trichet, Jean, Défarge, Christian
Two types of laminated sediments are compared in this paper: the Kimmeridgian bituminous laminites of Orbagnoux (French Southern Jura Mountains) and the present-day kopara' of the French Polynesia...
Tribovillard, Nicolas, Trentesaux, A., Trichet, Jean, Défarge, Christian
Two types of laminated sediments are compared in this paper: the Kimmeridgian bituminous laminites of Orbagnoux (French Southern Jura Mountains) and the present-day kopara' of the French Polynesia...
Tribovillard, Nicolas, Trentesaux, A., Trichet, Jean, Défarge, Christian
Two types of laminated sediments are compared in this paper: the Kimmeridgian bituminous laminites of Orbagnoux (French Southern Jura Mountains) and the present-day ‘kopara' of the French Polynesia...
Tribovillard, Nicolas, Trentesaux, A., Trichet, Jean, Défarge, Christian
Two types of laminated sediments are compared in this paper: the Kimmeridgian bituminous laminites of Orbagnoux (French Southern Jura Mountains) and the present-day ‘kopara' of the French Polynesia...
Malam Issa, O., Trichet, Jean, Défarge, Christian, Couté, A., Valentin, C.
Microbiotic crusts resulting from the colonization of soil surfaces by communities of micro-organisms dominated by cyanobacteria, eucaryotic algae or lichens are widespread in arid and semi-arid...
Malam Issa, O., Trichet, Jean, Défarge, Christian, Couté, A., Valentin, C.
Microbiotic crusts resulting from the colonization of soil surfaces by communities of micro-organisms dominated by cyanobacteria, eucaryotic algae or lichens are widespread in arid and semi-arid...
Malam Issa, Oumarou, Trichet, Jean, Défarge, Christian, Couté, A., Valentin, C.
Microbiotic crusts resulting from the colonization of soil surfaces by communities of micro-organisms dominated by cyanobacteria, eucaryotic algae or lichens are widespread in arid and semi-arid...
Malam Issa, Oumarou, Trichet, Jean, Défarge, Christian, Couté, A., Valentin, C.
Microbiotic crusts resulting from the colonization of soil surfaces by communities of micro-organisms dominated by cyanobacteria, eucaryotic algae or lichens are widespread in arid and semi-arid...
Malam Issa, Oumarou, Trichet, Jean, Défarge, Christian, Couté, Alain, Valentin, C.
Microbiotic crusts resulting from the colonization of soil surfaces by communities of micro-organisms dominated by cyanobacteria, eucaryotic algae or lichens are widespread in arid and semi-arid...
Malam Issa, Oumarou, Trichet, Jean, Défarge, Christian, Couté, Alain, Valentin, C.
Microbiotic crusts resulting from the colonization of soil surfaces by communities of micro-organisms dominated by cyanobacteria, eucaryotic algae or lichens are widespread in arid and semi-arid...
Bernoux, Martial Michel Yoric., Cerri, Carlos Clemente., Trichet, Jean.
Tese (Doutorado)--Centro de Energia Nuclear na Agricultura.
Thèse--Sc. nat., Paris, 1969.
Contribution à l'étude de quelques sols du Nimba (Guinée) / (1959)
Mémoire : Sc. nat. : Paris : 1959.