@inproceedings{inproceedings8f596c6c,
title   = {An integrated analysis of tar sand occurrences in the Paraná basin, Brazil},
author = {Araújo, Carlos César de and Rostirolla, Sidnei Pires and Yamamoto, Jorge Kazuo},
year = {2004},
publisher = {IUGS},
booktitle   = {International Geological Congress}
}