VOGT, Kees A Field Worker´s Guide to the Identification, Propagation and Uses of Common Trees and shrubs of dryland sudan - Inglaterra SOS Sahel International 1995 - 167 p. ISBN: 1-901459-15-2 Subjects--Topical Terms: GUIA DE CAMPOIDENTIFICACIONARBOLESARBUSTOS Universal Decimal Class. No.: 630*2 VOG