000 00289nam a2200109Ia 4500
008 200302s9999 xx 000 0 und d
100 _aWilliam J. Baumol & Other
245 _aEconomics Principles and Policy
260 _bHarciyrt Brace Jovanovich, Inc.
260 _c1979
300 _a862 P.,
999 _c5567
_d5567