@inproceedings{inproceedings7bf2eb63,
title   = {U-Pb SHRIMP zircon ages for the rio Apa cratonic fragment in Mato Grosso do Sul (Brazil) and northern Paraguay: tectonic implications},
author = {Cordani, Umberto G. and Tassinari, Colombo Celso Gaeta and Teixeira, Wilson and Coutinho, José Moacyr Vianna},
year = {2008},
publisher = {INGEIS - Instituto de Geocronología y Geología Isotópica},
booktitle   = {South American Symposium on Isotope Geology}
}