| Reference | {Deposit:: AUGUST 26, 1975: PINTO COELHO, F.D.C., 1970, CONTRIBUTION TO}{Deposit:: ECONOMIC DEVELOPMENT OF SAO PAOLO AND PARANA [PORT]: D.N.P.M}{Deposit:: MIN. ENER., PUB. ESP. NO. 10, 111P.}{Deposit:: DOURADO ROCHA, A.J., 1973, ANALYTICAL PROFILE OF LEAD [PORT]}{Deposit:: .M., MIN. MIN. ENER., BULL. NO. 8, 74 P.} |