1. Generation of hydrocarbons – time, temperature and source rock quality;Barnard,1981
2. Stratigraphy, Tectonics, Paleoclimatology and Paleogeography of Northern Basins of Brazil;Caputo,1984
3. Evolução paleozóica da Bacia do Parnaíba e seu arcabouço tectônico;Cunha,1986
4. Devonian palynology and biostratigraphy of the Paraná Basin;Daemon;Bol. Parana. Geocienc.,1967