Journal of South American Earth Sciences
Journal of South American Earth Sciences > 2005 > 19 > 1 > 99-109
Journal of South American Earth Sciences > 2005 > 20 > 3 > 259-266
Journal of South American Earth Sciences > 2005 > 19 > 1 > 99-109
Journal of South American Earth Sciences > 2005 > 20 > 3 > 259-266