TY - BOOK T1 - Proceedings of the Fourth International Geodetic Symposium on Satellite Positioning held at the University of Texas at Austin on April 28-May 2, 1986 LA - English PP - Austin PB - University of Texas YR - 1986 UL - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/das.2764 OP - 856 KW - Geodesia : TopografĂ­a ER -