por Unesco. Programa O Homem e a Biosfera.
por Werkhoven, Marga C. M, 1946-.
por Assembly of Life Sciences (E.U.A). Committee on Selected Biological Problems in the Humid Tropics.
por Conferência Internacional on Common Ground: Interdisciplinary Approaches to Biodiversity Conservation and Land Use Dynamics in the New World (1995 : Belo Horizonte).
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