000			00379nam a2200181Ia 4500
008			240220s9999 xx 000 0 und d
041			_aENG
082			_a658.1
100			_aGupta P. K.
245		0	_aOperation research.
260			_bS Chand & Company
260			_c2000
300			_a1055p.
365			_b160
650			_aMECHANICAL
700			_aHira D. S.
942			_cBB
999			_c76 _d76