000 00270nam a2200109Ia 4500
008 221102s9999 xx 000 0 und d
100 _aBaumol, William J
245 0 _aEconomic theory and operation analysis
260 _bPHI
_aDelhi
_c1997
300 _a694 p.
942 _cBK
999 _c2132
_d2132