000 00280nam a2200121Ia 4500
008 211209s1981 xx 000 0 und d
041 _aeng
082 _a658.4032 N81 JAI/AGG
100 _aJAIN K C
245 _aPERT AND CPM
260 _bKHANNA PUBLISHERS
_c1981
300 _a199
999 _c19637
_d19637