1. J.N. Bradbury, ICAO and future air navigation systems, in: Automation and Systems Issues in Air Traffic Control, Springer, pp. 79–99, 1991.
2. A 4D Trajectory Optimization and Guidance Technique for Terminal Area Traffic Management;Visser,1994
3. NextGen Implementation Plan, Federal Aviation Administration (FAA), Washington, DC, USA, 2013.
4. C. Nickol, Environmentally Responsible Aviation (ERA) Project, 2011.
5. SESAR: towards the new generation of air traffic management systems in Europe;Ky;J. Air Traffic Control,2006