000			00335nam a2200145Ia 4500
100			_aPhillips/ Don T
942			_cBK
654			_aoperations research
245			_aOperations research principles and practice
260			_bJohn wiley _aNew York _c1976
082			_a1.424 _bPHI
300			_a585
546			_aENGLISH
999			_c18408 _d18408