@inproceedings{inproceedings58891e05,
title   = {The age of the São Francisco supergroup, Brazil: a review},
author = {Babinski, Marly and Van Schmus, William Randall and Chemale Junior, Farid and Santos, R. and Iyer, Sundaram Sankara Subba and Toulkeridis, Theofilos and Buchwaldt, R. and Kawashita, Koji},
year = {2000},
publisher = {CPRM},
booktitle   = {International Geological Congress}
}