1. Abdel-salam, M., 2005, Precise Point Positioning Using Un-Differenced Code and Carrier Phase Observations, PhD thesis, The University of Calgary, Canada
2. Beran, T., 2008, Single-frequency, Single-receiver Terrestrial and Spaceborne Point Positioning, PhD thesis, University of New Brunswick, Frederiction, New Brunswick, Canada
3. Precision, Cross Correlation, and Time Correlation of GPS Phase and Code Observations;P. Bona;GPS Solut,2000
4. Real-Time Precise Point Positioning Using Single Frequency Data;K. Chen,2005
5. High Accuracy Precise Point Positioning Using a Single Frequency GPS Receiver;S. Choy;J Appl Geodes,2011