TY - BOOK AU - Delleré,R. TI - Land and food: the challenge of sustainable agriculture in the tropics SN - 9290810327 AV - SB111.T5.L36 PY - 1989/// CY - Ede, The Netherlands PB - Technical Centre for Agricultural and Rural Cooperation KW - Agriculture KW - Land use KW - Environmental aspects KW - Natural resources KW - Environmental degradation KW - Pictorial works ER -