Lima, Francisco Henrique de Oliveira, and Eduardo A. M Koutsoukos. 2006. “Towards an Integrated Stratigraphy of the Gramame Formation (Maastrichtian), CIPASA Quarry, Pernambuco-Paraíba Basin, NE Brazil”. Anuário Do Instituto De Geociências 29 (1). Rio de Janeiro, BR.:81-94. https://doi.org/10.11137/2006_1_81-94.