000 00345nam a2200133Ia 4500
008 160906s9999 xx 000 0 und d
100 _aDay, Richard H
245 _aOn aggregating linear programming models of production
260 _aWisconsin
260 _bUniversity of Wisconsin
260 _c1963
300 _a22
440 _aReprint 57
999 _c107008
_d107008