000 00256nam a2200109Ia 4500
008 220201s1996 xx 000 0 eng d
100 _aGUPTA PREM
245 0 _aOPERATION RESEARCH
260 _aDELHI
_bS CHAND AND SONS
_c1996
300 _a350
942 _2ddc
999 _c93082
_d93082