Ruy Mauro Marini
Ruy Mauro Marini ( Barbacena , Minas Gerais , 1932 - Río de Janeiro , 1997 ) was a Brazilian economist and sociologist . 
<triplet> Ruy Mauro Marini <subj> Barbacena, Minas Gerais <obj> place of birth <subj> 1932 <obj> date of birth <subj> 1997 <obj> date of death