@inproceedings{inproceedingsf5f2ab29, title = {Some efforts toward the improvement the geodetic network in South America}, author = {CorrĂȘa e Castro Junior, Carlos Alberto and Blitzkow, Denizar and Trabanco, Jorge Luiz Alves and Hernandez, J N}, year = {1997}, publisher = {IAG}, booktitle = {Congresso Brasileiro de Cartografia} }