@inproceedings{inproceedingsc782ff9f, title = {Middle to upper Proterozoic granitoid magmatism in the state of São Paulo, southeastern Brazil}, author = {Janasi, Valdecir de Assis and Ulbrich, H.}, year = {1989}, publisher = {Geologian Tutkimuskeskus}, booktitle = {Symposium Precambrian Granitoids: Petrogenesis, Geochemistry and Metallogeny} }