Kong, Wenli, Mehmet Deniz Firat, and Till Behler. “Unconventional Take-off and Landing Methods”. TMAL02 Expert Conference 8, no. 4 (January 20, 2020): 47–49. Accessed November 21, 2024. https://wcc.ep.liu.se/index.php/TMAL02/article/view/560.