@misc{miscee142bb2,
title   = {Paleoproterozoic ash-flow Calderas in Tapajos gold province, Amazonian craton, Brazil: tectonic significance},
author = {Corrêa Silva, Rafael Hernandes and Juliani, Caetano and Bettencourt, Jorge Silva},
year = {2003},
booktitle   = {EGS - AGU - EUG Joint Assembly}
}