000 00307nam a2200133Ia 4500
008 220201s1984 xx 000 0 eng d
100 _aNAGRATH IJ
245 0 _aSYSTEM MODELLING AND ANALYSIS
250 _a2
260 _aNEW YORK
_bMCGRAW HILL
_c1984
300 _a647
700 _aGOPAL M
942 _2ddc
999 _c90077
_d90077