1. Landau H. and Vollath U. (1996). “Carrier phase ambiguity resolution using GPS and GLONASS signals.” Proc. ION-GPS 1996 Vol. 1 917–923.
2. Langley R. (1997). “GLONASS: Review and update.” GPS World 8(7)
3. Leick A. (1995). GPS satellite surveying . Wiley Interscience New York N.Y.
4. Leick A. Li J. Beser J. and Mader G. (1995). “Processing GLONASS carrier phase observations: Theory and first experience.” Proc. ION-GPS 1995 Vol. 1 1041–1047.
5. Raby P. and Daly P. (1993). “Using GLONASS system for geodetic survey.” Proc. ION-GPS 1993 Vol. 2 1129–1138.