@inproceedings{inproceedingsd6508595,
title   = {Precisiones geocronologicas sobre el occidente colombiano},
author = {Restrepo, J. J. and Toussaint, J. F. and Gonzalez, H. and Cordani, Umberto G. and Kawashita, Koji and Linares, E. and Parica, C.},
year = {1991},
publisher = {Universidad de Caldas},
booktitle   = {Simposio sobre Magmatismo Andino y su Marco Tectónico}
}