Ali Jafarnia-Jahromi; Ali Broumandan; John Nielsen; Gérard Lachapelle (2012). "GPS Vulnerability to Spoofing Threats and a Review of Antispoofing Techniques". International Journal of Navigation and Observation (engelsk). 2012: 1-16. doi:10.1155/2012/127072. ISSN1687-5990. WikidataQ58706520.
Ali Jafarnia-Jahromi; Ali Broumandan; John Nielsen; Gérard Lachapelle (2012). "GPS Vulnerability to Spoofing Threats and a Review of Antispoofing Techniques". International Journal of Navigation and Observation (engelsk). 2012: 1-16. doi:10.1155/2012/127072. ISSN1687-5990. WikidataQ58706520.
Ali Jafarnia-Jahromi; Ali Broumandan; John Nielsen; Gérard Lachapelle (2012). "GPS Vulnerability to Spoofing Threats and a Review of Antispoofing Techniques". International Journal of Navigation and Observation (engelsk). 2012: 1-16. doi:10.1155/2012/127072. ISSN1687-5990. WikidataQ58706520.