000 00327nam a2200121Ia 4500
008 211209s1982 xx 000 0 und d
041 _aeng
082 _a003.3 N82 NAG
100 _aNAGRATH, I J
245 _aSYSTEMS MODELLING AND ANALYSIS
260 _aNEW DELHI
_bMCGRAW-HILL PUBLISHING COMPANY LIMITED
_c1982
300 _a644
999 _c22445
_d22445