000			00373nam a2200157Ia 4500
008			230711s9999||||xx |||||||||||||| ||und||
041			_aENG
082			_a658 _bGU-O
100			_aGupta,P.V
245		0	_aOperations research
250			_a1st Ed.
260			_c1992 _aNew Delhi _bS.Chand Publishing
650			_aMechanical Engineering
700			_aHira,D.S
942			_cBK
999			_c4242 _d4242