000			00314nam a22001337a 4500
003			OSt
008			231225b |||||||| |||| 00| 0 eng d
082			_a001.4 _bP50O
100			_aPHILLIPS, D.T.
245			_aOperation research :principlesand practice
260			_aWiley _c1976
300			_a585
942			_2ddc _cBK
999			_c35040 _d35040