00301nam a2200121Ia 450000500170000000800410001704100080005808200110006610000180007724500320009526000430012730000090017020260720174711.0260720s1973    xx            000 0 und d  aeng  a030 WB  aFisher, M Roy  aThe 1973 worldbook yearbook  aChicago,LondonbField Enterprisec1973  a623p