@article{articlec8242a37,
title   = {Cenozoic biostratigraphy of larger foraminifera from the Foz do Amazonas basin, Brazil},
author = {Sousa, Silvia Helena de Mello e and Fairchild, Thomas R. and Tibana, Paulo},
year = {2003},
doi = {10.2113/49.3.253},
journal   = {Micropaleontology}
}