000 00294nam a2200121Ia 4500
008 160122s9999 xx 000 0 und d
041 _aEnglish
100 _aharvey M wagner
245 _aprinciples of operations research
260 _bDelhi:PHI
_c1994
300 _a1039p.
650 _aManagement
999 _c2761
_d2761