000			00371nam a2200169Ia 4500
008			190201s9999 xx 000 0 und d
020			_a876921411
082			_a330
082			_b01 BAU
100			_aBaumol William J.
245		0	_aEconomic Theory and Oper
250			_aFourth
260			_aNew Delhi
260			_bP.H.I.
260			_c1990
300			_a"xxi,695"
999			_c35418 _d35418