00342nam a2200133Ia 4500008004100000040001700041041001200058082001800070100002200088245004300110250001200153260002700165300001600192230917s9999||||xx |||||||||||||| ||und||  e115249aMAIN  aEnglish  a338.521 B327M  aBaumol, William J 0aMicrieconomics: Pprinciples and policy  a9th ed.  aBelmontbThomsonc2005  axxx, 479 p.