Sahel, Nordeste, Amazonie: politiques d'amenagement en milieux fragiles - Gallais, Jean; Sidikou, Hamidou; Lena, Philippe; Bahri, Sylvia; Grenand, Pierre; Grenand, Francoise; Guillaumet, Jean-Louis; Lourd, Maurice; Lesourd, Michel; Brunel, Sylvie; Cabral, Nelson (UNESCO-L'Harmattan, 1991)