@inproceedings{inproceedingse4e39087,
title   = {Upper mantle S-wave velocity structure in South America from Rayleigh-wave tomography and definition of cratonic units},
author = {Assumpção, Marcelo Sousa de and Mi, Feng and van der Lee, Suzan},
year = {2007},
publisher = {Sociedade Brasileira de Geofísica},
booktitle   = {Congresso Internacional da Sociedade Brasileira de Geofísica}
}