00257nam a2200085Ia 4500008004100000020002200041082001600063100002500079245006700104220630s9999    xx            000 0 und d  a978-1-86842-377-4  a968.05 VANZ  aSLABBERT F . VAN ZYL 0aVAN ZYL SLABBERT : THE PASSION FOR REASON : ESSAY IN HONOUR OF