1. Airbus. (2021). Company Homepage and Newsroom. Retrieved April 22, 2021, from https://www.airbus.com/newsroom/press-releases/en/2020/09/airbus-reveals-new-zeroemission-concept-aircraft.html
2. Alam, S., Nguyen, M. H., Abbass, H. A., Lokan, C., Ellejmi, M., & Kirby, S. (2010, October). A dynamic continuous descent approach methodology for low noise and emission. In 29th Digital Avionics Systems Conference (pp. 1-E). IEEE.
3. Alonso Tabares, D. & Mora-Camino, F. (Eds.). (2017). Aircraft ground handling: Analysis for automation, Denver, United States, American Institute of Aeronautics and Astronautics.
4. Brooks, J. (2006, September 20–21). Continuous descent arrivals. In ICAO workshop on aviation operational measures for fuel and emissions reductions.
5. Business Traveller. (2020). EasyJet and Wright Electric Case. Retrieved April 22, 2021, from https://www.businesstraveller.com/business-travel/2020/01/31/easyjet-partner-plans-to-test-electric-aircraft-in-2023/