1. Chen W, Hu C, Li Z, Chen Y, Ding X, Gao S, Ji S (2004) Kinematic GPS precise point positioning for sea level monitoring with GPS buoy. J Global Positioning Syst 3(1–2):302–307
2. Zhang X, Dongchen E (2005) Dynamic parameters determination of amery ice shelf using PPP. Geomatics Info Sci Wuhan Univ 30(10):909–913
3. Kouba J (2003) A guide to using International GNSS service (IGS) products.
http://acc.igs.org/UsingIGSProductsVer21.pdf
4. Dach R, Hugentobler U, Fridez P, Meindl M (2007) User manual of the bernese GPS software version 5.0. Astronomical Institute, University of Berne, Berne
5. Abdel-salam MA-T(2005) Precise point positioning using un-differenced code and carrier phase observations. University of Calgary, Calgary