@inproceedings{inproceedingsc7b4f4f8,
title   = {K-Ar ages and REE characteristics of diagenetic clay minerals from permian units of Paraná basin, south america},
author = {Sant'anna, Lucy Gomes and Clauer, Norbert and Cordani, Umberto G. and Riccomini, Claudio and Velázquez Fernandez, Victor},
year = {2004},
publisher = {IUGS},
booktitle   = {International Geological Congress}
}