00316nam a2200121Ia 4500008004100000020001400041041000700055082001000062100002100072245003500093260005100128300001500179180612s9999||||xx |||||||||||||| ||und||  a155188178  aen  a338.5  aBARKLEY, PAWL W. 0aIntroduction to microeconomics  aNew York.bHarcourt brace Javanovich Incc1977  axiii, 327p