00440nam a2200109Ia 450000500170000000800410001705000240005810000460008224501610012826000240028965000170031320251229182939.0251229s9999    xx            000 0 und d  aS    603.5 .I58 C.1  aInternational development research center 0aAlley farming in the humid and sub humid tropics b proceedings of an international workshop held at Ibadan, Nigeria 10-14 March. 1986ccenter International  aIbadanb IDRCc1989  aIntercroping