@article{articlee555f030,
title   = {Acerca de la edad Rb-Sr precambrica de rocas de la formacion esquistos de belen, Departamento de Parinacota, Chile},
author = {Pacci, D. and Herve, Francisco and Munizaga, Francisco and Kawashita, Koji and Cordani, Umberto G.},
year = {1980},
journal   = {Revista geológica de Chile}
}