000 00273nam a2200097Ia 4500
008 120224s9999 xx 000 0 und d
082 _a338.5
_bKOC
100 _aKoch, James V.
245 _aMicroeconomic theory and applications
260 _bLittle Brown
_aBoston
_c1976
999 _c135474
_d135474