@inproceedings{inproceedings92a5c04f, title = {Petrography and geochemistry of alkaline plugs from São Pedro, Porto Conceição, Morro Conceição and Morro Distante, SW of Mato Grosso do Sul state, Brazil}, author = {Matos, João Batista de and Gomes, Celso B. and Ruberti, Excelso and Velázquez Fernandez, Victor}, year = {2000}, publisher = {CPRM}, booktitle = {International Geological Congress} }