000 00420nam a2200133Ia 4500
008 100324s9999 xx 000 0 und d
100 _aSengupta J.K; Fox K.A
245 _aEconomic analysis and operations research : optimization techniques in quantitative economic models
260 _c1969
_bNorth Holland
366 _b1969
650 _aECONOMICS
942 _cBK
999 _c352
_d352