00407nam a2200121Ia 4500008004100000020000500041082001900046100002100065245015900086260002800245300000700273650000500280140316s9999    xx            000 0 und d  a  a577.55bLIG/TR  aLight foot,curve  aTraining resource book for agro-ecosystem mapping : process documentation of an experimental learning exercise in agro-ecosystem mapping : 7-10 march 1989  aPhillipinesbIRRIc1989  a55  a