000 00265nam a2200097Ia 4500
008 211209s645 xx 000 0 und d
041 _aeng
100 _aCHURCHMAN WEST C
245 _aINTERODUCTION TO OPERATIONS RESEARCH
260 _aLONDAN
_bJOHN WILEY AND SONS
_c645
999 _c100253
_d100253