Journal of South American Earth Sciences
Journal of South American Earth Sciences > 2004 > 16 > 7 > 587-597
Journal of South American Earth Sciences > 2006 > 21 > 3 > 252-266
Journal of South American Earth Sciences > 2004 > 16 > 7 > 587-597
Journal of South American Earth Sciences > 2006 > 21 > 3 > 252-266