00317nam a2200121Ia 450000500170000000800410001704100080005808200120006610000200007824500340009826000540013230000090018620260720174707.0260720s1978    xx            000 0 und d  aeng  a030 MSE  aHalsey, William  aMerit Students Encyclopedia-3  aChicago,TorentobMacmillan Educational Corpc1978  a596p