Journal of South American Earth Sciences
Journal of South American Earth Sciences > 2004 > 17 > 1 > 39-48
Journal of South American Earth Sciences > 2004 > 17 > 1 > 25-38
Journal of South American Earth Sciences > 2004 > 17 > 1 > 39-48
Journal of South American Earth Sciences > 2004 > 17 > 1 > 25-38