@article{article8a8317e8,
title   = {Paleomagnetic constraints on the age of the Botucatu formation in Rio Grande do Sul, Southern Brazil},
author = {Tamrat, Endale and Ernesto, Márcia},
year = {2006},
doi = {10.1590/s0001-37652006000300016},
journal   = {Anais da Academia Brasileira de Ciências}
}