@misc{misc6eff5cf4,
title   = {Uranium, thorium and potassion concentrations and volumetric heat production rates in granitoids at the eastern border of Parana basin, SE Brazil},
author = {Andrade, Telma Cortes Quadros and Brenha Ribeiro, Fernando},
year = {1997},
booktitle   = {American Geophysical Union Spring Meeting}
}