1. Gelb, A (editor), (1979) Applied Optimal Estimation, M.I.T. Press, Cambridge, Massachusetts and London, England.
2. Goad, CC (1985), Precise Relative Position Determination Using Global Positioning System Carrier Phase Measurements in a Nondifference Mode, Proceedings of the First International Symposium on Precise Positioning with the Global Positioning System, Rockville, Maryland.
3. Goad, CC (1990) Optional Filtering of Pseudoranges and Phases from Single Frequency GPS Receivers, Vol. 37, No. 3, 249–262,Navigation.
4. Hwang, PYC (1990), Kinematic GPS: Resolving Integer Ambiguities on the Fly, Proceedings of the IEEE 1990 Position, Location, and Navigation Symposium, March 21–23, Las Vegas, Nevada.
5. Loomis, P (1989), A Kinematic GPS Double-Differencing Algorithm, 5th International Geodetic Symposium on Satellite Positioning, Las Cruces, New Mexico.