1. Todd Humphreys' Research Team Demonstrates First Successful GPS Spoofing of UAV 2012 http:// www.ae.utexas.edu/news/archive/2012/todd-humphreys-research-team-demonstrates-first-successful-gps-spoofing-of-uav
2. Spoofing a Superyacht at Sea 2013 http://www.utexas.edu/know/2013/07/30/spoofing-a-superyacht-at-sea/
3. Steindl , E. Dunkel W. Hornbostel A. Hättich C. Remi P. The Impact of Inteference Caused by GPS Repeaters on GNSS Receivers and Services Proceedings of the European Navigation Conference Vienna, Austria, 2013
4. Scott , L. Anti-Spoofing & Authenticated Signal Architectures for Civil Navigation Systems Proceedings of the 16th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS/GNSS 2003) Portland, OR September 2003 1543 1552