@inproceedings{inproceedings6b1c484b,
title   = {40 Ar/ 39 Ar ages of the aluminio (Serra do Itaberaba group) and hermida (Itapira group) amphibolite centra, portion of the Ribeira belt, Brazil: preliminary inferences},
author = {Oliveira, Marcos Aurelio Farias de and Souza, S. C. A. and Teixeira, Wilson and Vasconcelos, Paulo Marcos},
year = {2003},
publisher = {CBPM/IRD},
booktitle   = {South American Symposium on Isotope Geology}
}