@inproceedings{inproceedings22fab16c,
title   = {Study of a buried graben in the intracratonic Parana Basin, Brazil, with high frequency receiver functions},
author = {Costa, T. N and Assumpção, Marcelo Sousa de and Julia, J},
year = {2007},
publisher = {American Geophysical Union},
booktitle   = {AGU Joint Assembly}
}