000 00257nam a2200109Ia 4500
008 180112s9999||||xx |||||||||||||| ||und||
100 _aSHARMA S.D
245 0 _aOPERATION RESEARCH
250 _aEleventh
260 _aNEW DELHI
_bKATARIA & SONS
_c1997
300 _a559
942 _cLEN_BK
999 _c8263
_d8263