@article{article423b9009,
title   = {The Rio Apa Craton in Mato Grosso do Sul (Brazil) and northern Paraguay: geochronological evolution, correlations and tectonic implications for Rodinia and Gondwana},
author = {Cordani, Umberto G. and Teixeira, Wilson and Tassinari, Colombo Celso Gaeta and Coutinho, José Moacyr Vianna and Ruiz, Amarildo Salina},
year = {2010},
doi = {10.2475/09.2010.09},
journal   = {American Journal of Science}
}