@article{article7758e7d1,
title   = {U-Pb zircon ages of rocks from the Amazonas Territory of Colombia and their bearing on the tectonic history of the NW sector of the Amazonian Craton},
author = {Cordani, Umberto G. and Sato, Kei and Sproesser, Walter Maurício and Fernandes, Fabiana Santos},
year = {2016},
doi = {10.1590/2317-4889201620150012},
journal   = {Brazilian Journal of Geology}
}