000 00309nam a2200109Ia 4500
008 190829s9999 xx 000 0 und d
082 _a001.424
_bCHU/IN
100 _aCHURCHMAN, C. West
245 0 _aINTRODUCTION TO OPERATIONS RESEARCH
260 _bJohn Willey and Sons Inc., London
_aLONDON
_c1957
942 _cBK
999 _c4700
_d4700