TY - SER AU - Servant-Vildary,Simone TI - Altitudinal zonation of mountainous diatom flora in Bolivia: application to the study of the Quaternary SN - e KW - Diatomeae KW - Quaternaire KW - Holocène KW - Paléoclimat KW - Bolivie KW - La Paz KW - Glacier Ichukkota N1 - ; bibliogr. p. 184 ER -