000 00379nam a2200121Ia 45e0
008 181001s1992 xx 000 0 und d
100 _aSharma S.D.
245 0 _aOperations research
260 _aMeerut
_bKadar Nath Ram Nath
_c1992
300 _a175
942 _2ddc
_cBK
999 _c4124
_d4124