8Alfred Leiek. GPS Satellite Surveying [M]. John Wiley & Sons. inc. 1995.
9Alfred Kleusberg, P J G Teunissen. GPS for Geodesy [M]. Springer, 1996.
10E Frei, G Beutler. Rapid Static Positioning Based on the Fast Ambiguity Resolution Approach "FARA" : Theory and First Results [J]. Manuscripta Geodaetica, 1990, 15 (6): 325--356.