June 28, 1999, Science & Technology at Scientific American.com: Fly Like a Fly Citat: "...wing curvature seems to play almost no role in insect flight; the wings are surprisingly rigid and flat, Dickinson notes... the hover fly, appears to use delayed stall very little, but makes great use of rotation circulation and wake capture..."
stanford.edu
Ehrlich, Paul R. , D. S. Dobkin, D. Wheye. «Swimming». Stanford.edu. Henta 4. mai 2016. CS1 maint: Multiple names: authors list (link)
trnmag.com
February 12/19, 2003, trnmag: Butterflies offer lessons for robots Citat: "...Free-flying butterflies "use all of the known mechanisms to enhance lift -- wake capture, leading-edge vortex, clap and fling, and active and inactive upstrokes -- as well as two mechanisms that had not been postulated, the leading-edge vortex during the upstrokes and the double leading-edge vortex," said Srygley..."
