Essai de determination du temps des fractions humiques de de ux sols ferrallitiques par l'utilisation du radiocarbone nat urel et thermonucleaire
Lobo, P.F.S, Flexor, J.M, Rapaire, J.L, Sieffermann, G
Published in Cah Ser Pedol ORSTOM Off Rech Sci Tech Outre Mer (1974)
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Published in Cah Ser Pedol ORSTOM Off Rech Sci Tech Outre Mer (1974)
Publication
Presence of halloisite and montmorillonite in soils from the wet tropical zone near San Juan de Manapire, Federal Amazon Territoy [Venezuela
Fernandez, O, Hidalgo, R, Sieffermann, G. (Ministerio de Obras Publicas, Caracas (Venezuela))
Year of Publication 1977
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Year of Publication 1977
Conference Proceeding
Caracteristiques de quelques sols derives de cendres volcaniques de la cote pacifique du Nicaragua
Colmet-Daage, F, Kimpe, C. de, Delaune, M, Gautheyrou, J, Gautheyrou, M, Sieffermann, G, Fusil, G
Published in France Office Rech Sci Tech Outre mer Cah Orstom Pedol (1970)
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Published in France Office Rech Sci Tech Outre mer Cah Orstom Pedol (1970)
Publication
Soils with montmorillonite on gneiss under tropical humid climate. Paleoclimatic significance
Conceicao, T.M.L, Moniz, A.C, Oliveira, J.J. (Bahia Salvador Univ. (Brazil). Inst. de Geosciences), Sieffermann, G. (Office de la Recherche Scientifique et Technique Outre Mer, 93 - Bondy (France))
Published in Cahiers ORSTOM. Serie Pedologie (France) (1974)
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Published in Cahiers ORSTOM. Serie Pedologie (France) (1974)
Journal Article