00351nam a2200145 a 450000100080000000500110000800800410001910000200006024500190008025000110009926000480011030000100015865000190016865000180018715850531992-06-02       1989    bl uuuu      00u1 u    #d1 aFERGUSON, C. E.  aMicroeconomia.  a12.ed.  aRio de Janeiro: Forense-Universitariac1989  a610p.  amicroeconomics  aMicroeconomia