Blackburn, Ken. "Paper Plane Aerodynamics". Ken Blackburn's Paper Airplanes. Archived from the original on 1 October 2012. Retrieved 8 October 2012. Section 4.3
Garland, T Jr.; Losos, J.B. (1994). "10. Ecological morphology of locomotor performance in squamate reptiles". Ecological Morphology: Integrative Organismal Biology(PDF). Chicago: University of Chicago Press. pp. 240–302. Archived from the original(PDF) on 23 September 2015. Retrieved 14 July 2009.
Blackburn, Ken. "Paper Plane Aerodynamics". Ken Blackburn's Paper Airplanes. Archived from the original on 1 October 2012. Retrieved 8 October 2012. Section 4.3
Garland, T Jr.; Losos, J.B. (1994). "10. Ecological morphology of locomotor performance in squamate reptiles". Ecological Morphology: Integrative Organismal Biology(PDF). Chicago: University of Chicago Press. pp. 240–302. Archived from the original(PDF) on 23 September 2015. Retrieved 14 July 2009.