TY - BOOK AU - M.D. Young ed. TI - The World's savannas : economic driving forces,ecological constraints and policy options for sustainable land use SN - 978 92 310 2750 5 92 3 102 750 6 U1 - 333 74153 WOR PY - 1993/// CY - New York PB - Parthenon KW - LAND USE ENVIRONMENTAL ASPECTS CONGRESSES ER -