McAndrew I, Vishnevskaya AE, Carruthers D. TWIN‐WING DESIGN OPTIONS USED FOR UNMANNED AERIAL VEHICLES TO ACHIEVE HIGH ALTITUDES AT  LOW SPEEDS  . mce [Internet]. 2017Nov.30 [cited 2025Jul.31];3(11):15-4. Available from: http://cpcalendars.ijrdo.org/index.php/mce/article/view/1462