000 00270nam a2200133Ia 4500
100 _aCohen/ S.S.
942 _cBK
654 _aOperation
245 _aOperation Research
260 _bEdward Arnold .
_c1985
082 _a3
_bCOH
300 _a245
546 _aENGLISH
999 _c35515
_d35515