00254nam a2200109Ia 4500008004100000041000800041082001800049100001900067245002500086260002500111300000800136211209s1979    xx            000 0 und d  aeng  a660.2 N79 MUK  aMUKHLYONOR I P  aCHEMICAL TECHNOLOGY   bMIR PUBLISHERSc1979  a325