1. Carroll , J. et al. Vulnerability Assessment of the Transportation Infrastructure Relying on the Global Positioning System August 2001
2. Owen , J. I. R. M. Wells An Advanced Digital Antenna Control Unit for GPS January 2001 402 07
3. Boasman , N. J. P. Briggs The Development of an Anechoic GPS Test Facility June 2002 483 94
4. Lee , W. C. G. L. Slimak G. A. McGraw B. Kaspar Fast, Low Energy GPS Navigation with Massively Parallel Correlator Array Technology June 1999 443 50
5. Harrison , D. N. Rao D. McGrath P. Frank N. Lee J. Tiemann A Fast Low-Energy Acquisition Technology for GPS Receivers June 1999 433 41