The Boletim de Ciências Geodésicas publishes original papers in the area of Geodetic Sciences and correlated ones (Geodesy, Photogrammetry and Remote Sensing, Cartography and Geographic Information Systems).Submitted articles must be unpublished, and should not be under consideration for publication in any other journal. Previous publication of the paper in conference proceedings would not violate the originality requirements. Articles must be written preferably in English language.