1. Dery , J. 1985 Eole, Aerogenerateur a Axe Vertical de 4 MW a Capchat, Quebec, Canada 9th Biennial Congress of the International Solar Energy Society, June 1985
2. http://www.mti-energy.com/mkby/vawt-history.pdf
3. Powles , S.J.R. Anderson , M.B. Tan , C.C. 1989 Two Years of Operation of the 25 m VAWT at Carmarthen Bay Proceedings EWEC 89, July 1989
4. VAWT Ltd 1990 The Demonstration of A Vertical Axis Wind Turbine on a Remote Island, Draft, October 1990