00255nam a2200121   450000500170000024500200001725000200003726000090005730000240006624500060009002000180009604000190011420260618095432.0  a[Jaargroep 7/8]  a1. dr., 1. opl.  c1999  a32 S. : zahlr. Ill.  p9  a90-262-2147-9  aHBZcMediothek