1. J. Raquet, G. Lachapelle, L. P. S. Fortes, “Use of a Covariance Analysis Technique for Predicting Performances of Regional area Differential Code and Carrier Phase Networks”, ION GPS-98
2. G. Wubbena, A. Badge, M. Schmitz, “Network-Based Techniques for RTK Applications”, GPS JIN 2001
3. M. Hernandez-Pajares, J. Miguel Juan, J. Sanz, R. Orus, A. Garcia-Rodriguez, O. L. Colombo, “Wide Area Real Time Kinematics with Galileo and GPS Signals”, ION GNSS 17th Technical Meeting of the Satellite Division, 2004
4. B. Forssell, M. Martin-Neira, R. A. Harris, “Carrier Phase Ambiguity Resolution in GNSS-2”, Proceedings of ION GPS-97
5. X. Chen, U. Vollath, H. Landau, K. Sauer, “Will GALILEO/Modernized GPS Obsolete Network RTK?”, GNSS 2004