1. GNSS: Global Navigation Satellite Systems: GPS, GLONASS, Galileo and More;Hofmann-Wellenhof,2008
2. Global Positioning Systems Directorate System Engineering & Integration Interface Specification IS-GPS-200G,2013
3. Global Navigation Satellite System GLONASS, Interface Control Document, Navigational Radio Signal in bands L1, L2,2008
4. BeiDou Navigation Satellite System Signal,2013
5. Parameters of the CGCS2000 Ellipsoid and Comparisons with GRS80 and WGS84;Cheng;Acta Geod. Cartogr. Sin.,2009