1. Bancroft S (1985) An algebraic solution of the GPS equations. IEEE Trans Aerosp Electron Syst AES-21:56–59
2. Parkinson WB, Spilker JJ (1996) Global positioning system: theory and applications, vol I and II. Institute of Aeronautics and Astronautics Inc., Washington
3. Gunter S (2003) Satellite geodesy, 2nd edn. Walter de Gruyter, Berlin, New York
4. Farrell J, Grewal M, Djodat M, Barth M (1996) Differential GPS with latency compensation for autonomous navigation. In: Proceedings of the 1996 IEEE international symposium on intelligent control, Dearborn, MI, 15–18 September
5. http://ftp.rta.nato.int/public//PubFullText/RTO/AG/RTO-AG-160-V21///AG-160-V21-01.pdf