Sane, S. P. (1 December 2003). "The aerodynamics of insect flight". Journal of Experimental Biology. 206 (23): 4191–4208.
Pei, Rui; Pittman, Michael; Goloboff, Pablo A.; Dececchi, T. Alexander; Habib, Michael B.; Kaye, Thomas G.; Larsson, Hans C. E.; Norell, Mark A.; Brusatte, Stephen L.; Xu, Xing (6 August 2020). "Potential for Powered Flight Neared by Most Close Avialan Relatives, but Few Crossed Its Thresholds". Current Biology.