McAndrew, Ian R. , Assistant Prof. Elena Vishnevskaya, and Dr. Andrew Carruthers. “TWIN‐WING DESIGN OPTIONS USED FOR UNMANNED AERIAL VEHICLES TO ACHIEVE HIGH ALTITUDES AT  LOW SPEEDS  ”. IJRDO - Journal of Mechanical And Civil Engineering 3, no. 11 (November 30, 2017): 15-24. Accessed October 5, 2024. http://webdisk.ijrdo.org/index.php/mce/article/view/1462.