@article{article2a6166fa,
title   = {Tectonic interpretation of 40 Ar/39 Ar ages on country rocks from the central sector of the Rio Negro-Juruena province, southwest Amazonian craton},
author = {Bettencourt, Jorge Silva and Onstott, T. C. and Jesus, T. de and Teixeira, Wilson},
year = {1996},
doi = {10.1080/00206819709465323},
journal   = {International Geology Review}
}