1. Precise Point Positioning Using IGS Orbit and Clock Products
2. Resolution of GPS carrier-phase ambiguities in Precise Point Positioning (PPP) with daily observations
3. Rizos, C.; Janssen, V.; Roberts, C.; Grinter, T. Precise Point Positioning: Is the Era of Differential GNSS Positioning Drawing to an End?FIG Working Week 2012, Rome, Italy, May 6–10, 2012.
4. Elsobeiey, M.; El-Rabbany, A. Convergence Time Improvement of Precise Point Positioning.FIG Working Week, Marrakech, Morocco, May 18–22 2011.
5. Krueger, E.; Schuler, T.; Arbesser-Rastburg, B. The Standard Tropospheric Correction Model for the European Satellite Navigation System Galileo.Proc. General Assembly URSI, New Delhi, India, 2005.