@inproceedings{inproceedings0dc1d228, title = {Isotopic dating on the crystalline basement rocks of the Bariloche region, Rio Negro, Argentina}, author = {Basei, Miguel Angelo Stipp and Brito Neves, Benjamim Bley de and Varela, Ricardo and Teixeira, Wilson and Siga Júnior, Oswaldo and Sato, Anna María and Cingolani, Carlos Alberto}, year = {1999}, publisher = {Segemar}, booktitle = {South American Symposium on Isotope Geology} }