00277nam a2200097Ia 4500008004100000082001800041100002300059245004000082260004100122700001600163220204s9999    xx            000 0 und d  a027.7:63bKOE  aKoeke Bakker,  F A 0aAgricode for agricultural libraries  aWagenningenbCentre for Ag Pubc1976  aStransky, J