@inproceedings{inproceedings11a8fb58,
title   = {Revision of upper paleozoic phytobiostratigraphy schemes in the northern Portion of Paraná Basin, Brazil},
author = {Bernardes-de-Oliveira, Mary Elizabeth Cerruti and Rohn, Rosemarie and Souza, Paulo Alves de and Ricardi-Branco, Frésia and Rösler, Oscar and Iannuzzi, Roberto and Zampirolli, Ana Paula},
year = {1999},
booktitle   = {International Congress on the Carboniferous-Permian}
}