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by Segado, Francisco Fernandez
by CLEA; Barret, Philippe; Chartron, Delphine
by Levine, Madeline
by Wasson, Robert Gordon, Albert Hofmann y Carl A. P. Ruck
by Orozco, Ricardo
by Pineda, Patricia Castellanos
by Click, Phyllies; Parker, Jennifer
by Paredes, Luis; Cid, Enrique
by Alarcon, Pedro Antonio De
by Comisión Nacional para el Desarrollo de los Pueblos Indígenas