000 00305nam a2200109Ia 4500
008 231011s9999 xx 000 0 und d
041 _aeng
100 _aPhillps Ravindran Solbeog.
245 _aOpearations Research Priniples and Practice.
260 _bJohn Wiley and Sons New York. -
365 _b132
999 _c883484
_d883484