1. Wide Area Augmentation of the Global Positioning System;Enge;Proceedings of the IEEE,1996
2. Gao , Y. Z. Li J. F. McLellan Carrier Phase Based Regional Area Differential GPS for Decimeter-Level Positioning and Navigation September 1997 1305 1313
3. Pratt , M. B. Burke P. Misra Single-Epoch Integer Ambiguity Resolution with GPS-GLONASS L1-L2 Data September 1998
4. Coster , A. J. M. M. Pratt B. P. Burke P. N. Misra Characterization of Atmospheric Propagation Errors for DGPS June 1998
5. Hansen , A. J. T. Walter P. Enge Ionospheric Correction Using Tomography September 1997 249 257