000 00374nam a2200157Ia 4500
008 221221s9999 xx 000 0 und d
020 _a8121902819
041 _aENG
082 _a510.621
_bGUP/O
100 _aGupta, Premkumar
245 0 _aOperations Research
260 _aNew Delhi
_bS. Chand
_c2002
650 _aMachine Drawing
700 _aHira, D S
942 _cBK
999 _c24544
_d24544