Bibliografia principal:
CROSS, P.A., 1983. Advanced Least Squares Applied to Position Fixing. Working Papers, North East London Polytechnic, Dept. of Surveying, 205pp.
SEEBER, G., 1993. Satellite Geodesy: Foundations, Methods & Applications. Walter de Gruyter, Berlin New York, 531pp. Jaizki Mendizabal; Roc Berenguer; Juan Melendez (2009). GPS and Galileo. McGraw Hill. ISBN 978-0071598699.