References
- BDMG , 1970 , Development program for the beef cattle breeding in Minas Gerais . Technical Report , Development Bank of Minas Ger-ais (BDMG) , in Portuguese .
- CARVALHO , J. L. , 1972 , Production investment and expectations : a study of the United States cattle industry . Ph.D. thesis , Chicago University , Illinois , U.S.A.
- MASCOLO , J. L. , 1980 , An econometric study of the beef cattle breeding in Brazil . Ph.D. thesis , Fundação Getũlio Vargas , in Portuguese .