1. ART (2006) Advanced remote tower project. 6th Frame Work Program project funded by the European Commission, DGTREN. Technical Annex to the Contract TREN/07/FP6AE/S07.73580/037179
2. ART (2008) Deliverable D.1.1.1. Overall ART Concept of Operation and System Architecture. Advanced Remote Tower project, 6th Frame Work Program project funded by the European Commission, DGTREN. Technical Annex to the Contract TREN/07/FP6AE/S07.73580/037179
3. Boff KR, Lincoln JE (1988) Engineering data compendium—human perception and performance. Armstrong Aerospace Medical Research Laboratory, Wright-Patterson AFB, OH
4. ICAO (2005a) Doc 9328: manual of runway visual range observing and reporting practices, 3rd edn 2005. International Civil Aviation Organization
5. ICAO (2005b) Doc 4444 air traffic management PANS-ATM, edition November 2005. International Civil Aviation Organization