@article{article5a96cb1b,
title   = {The occurrence of Phacopida trilobites from Pimenteira Formation at João Costa, Piauí, Brazil},
author = {Leme, Juliana de Moraes and Meira, Felipe van Enck and Di Stasi, Andre Mori and Soares, Sabrina Pereira},
year = {2013},
doi = {10.5327/Z1519-874X201300030003},
journal   = {Geologia USP. Série Científica}
}