00462cam a2200157ua 45000010005000000080039000050200018000440400009000620820011000711000033000822450058001152600051001733000030002246530014002546530036002681558110712n        xxu |||gr||||Z||||||eng  a0-15-518805-4  cMAIN  a330.011 aBaumol, William J.,eAuthor.1 aEconomics principles and policycby William J. Baumol  aNew York:bHarcourt Brace Jovanovich, inc,979.  axviii; 682p:bill;c25cm.  aEconomics  aeconomics principles and policy