@inbook{inbook3dad1b88,
title   = {Potassic magmatism from central-eastern Paraguay: petrogenesi and geodynamic inferences},
author = {Comin-Chiaramonti, P. and Gomes, Celso B.},
year = {1996},
publisher = {EDUSP},
journal   = {Alkaline magmatism in central-eastern Paraguay : relationships with coeval magmatism in Brazil}
}