@inproceedings{inproceedingsa431ea3c,
title   = {Geology and preliminary geochemistry of the middle proterozoic serra da providencia rapakivi granite-rondonia, brazil},
author = {Rizzotto, Gilmar and Scandolara, Jaime and Silva, Cássio Roberto da and Dall'Agnol, Roberto and Bettencourt, Jorge Silva and Morais, P. R.},
year = {1995},
publisher = {Center for Geosciences/Federal University of para},
booktitle   = {Symposium on Rapakivi Granites and Related Rocks}
}