1. Peckham, D.H. and Atkinson. S.A."Preliminary Results of Low Speed Wind Tunnel Tests on a Gothic Wing of Aspect Ratio 1.0". A.R.C. C.P. No. 508. 1960.
2. Lambourne. N.C. and Bryer. D.W."The Bursting of Leading Edge Vortices - Some Observations and Discussion of the Phenomenon". A.R.C. RCM No. 3282. 1962.