@inproceedings{inproceedings96a48226,
title   = {Método U-PB - CPGEO-IGC-USP},
author = {Sproesser, Walter Maurício and Passarelli, Claudia Regina and Moraes, M. C. de},
year = {2004},
publisher = {CPGeo/IGc-USP},
booktitle   = {Simpósio 40 anos de Geocronologia no Brasil}
}