000 00250nam a2200109Ia 4500
008 221102s9999 xx 000 0 und d
100 _aKreps, David M
245 0 _aMicro economic theory
260 _bPHI
_aDelhi
_c1998
300 _a838 p.
942 _cBK
999 _c2130
_d2130