@article{article474550c6,
title   = {Upper mantle structure of South America from joint inversion of waveforms and fundamental mode group velocities of Rayleigh waves},
author = {Mei, Feng and Van der Lee, Suzan and Assumpção, Marcelo Sousa de},
year = {2007},
doi = {10.1029/2006jb004449},
journal   = {Journal of Geophysical Research B}
}