00318nam a2200133Ia 450000500170000008000180001710000300003524500270006526000270009230000180011958300180013794200120015599900170016720260716043813.0  a01.03.03 M539  aMendoza, Miguel Rodriguez  aWhich Mercosur anyway?  b[s.n.]a[S.l.]c[199?]  a4, [5] leaves  c5/30/07kJOYD  cMmM539  c54512d54512