Hofmann-Wellenhof, Bernhard. GNSS — Global Navigation Satellite Systems GPS, GLONASS, Galileo, and more / [electronic resource] : by Bernhard Hofmann-Wellenhof, Herbert Lichtenegger, Elmar Wasle. - 1a ed. - Vienna : Springer-Verlag Wien, 2008. - v.: digital ISBN: 9783211730171 Subjects--Topical Terms: Physical geographyGeosciencesGeophysics/Geodesy LC Class. No.: G109.5 / H64 2008