1. M. Abou-Zeid, A. P. Akkinepally, C. A. Haddad, Contributors, in: C. Antoniou, D. Efthymiou, E. Chaniotakis (Eds.), Demand for Emerging Transportation Systems, Elsevier, 2020, pp. xiii–xiv. doi:https://doi.org/10.1016/B978-0-12-815018-4.01002-0. URL https://www.sciencedirect.com/science/article/pii/B9780128150184010020.
2. S. Roy, A. Maheshwari, W. A. Crossley, D. A. DeLaurentis, Future regional air mobility analysis using conventional, electric, and autonomous vehicles, Journal of Air Transportation 29 (3) (2021) 113–126. doi:10.2514/1.D0235. URL https://doi.org/10.2514/1.D0235.
3. M. Fu, R. Rothfeld, C. Antoniou, Exploring preferences for transportation modes in an urban air mobility environment: Munich case study, Transportation Research Record 2673 (10) (2019) 427–442. doi:10.1177/0361198119843858. URL https://doi.org/10.1177/0361198119843858.
4. J. Yin, S. Ahmed, Helicopter main-rotor/tail-rotor interaction, Journal of the American Helicopter Society Vol. 45 (2000) 293–302. doi:10.4050/JAHS.45.293.
5. M. Wentrup, J. Yin, P. Kunze, T. Streit, J.-H. Wendisch, T. Schwarz, J.-P. Pinacho, K. Kicker, R. Fukari, An overview of dlr compound rotorcraft aerodynamics and aeroacoustics activities within the cleansky2 nacor project, 2018.