TY - BOOK T1 - Astronomy applied to land surveying A1 - Roelofs, R. LA - English PP - Amsterdam PB - N.V.Uitgeverij Argus YR - 1950 UL - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/das.2767 OP - 259 KW - Geodesia : TopografĂ­a ER -