000 00261nam a2200109Ia 4500
999 _c17507
_d17507
020 _a0023527404
100 _aGeorge Hayhurst
245 _aMathematical Programming Applications
260 _c1987
_bMACMILLAN PUB: CO.
_aNew York
300 _av+483
942 _cREF