REFERENCES
1. Dodge, D.M. "Wind Power: Illustrated History of its Development," Littleton Colorado, 2007.
2. http://www.energyquest.ca.gov/story/chapter16.html
3. http://www.eia.doe.gov/kids/energyfacts/sources/renewable/wind.html
4. MacCormack, J. "Quirky Old-style Contraptions make Water from Wind on the Mesas of West Texas," Express News Article, September 2007.
5. Ristinen, R.A. and Kraushaar, J.J. "Energy and the Environment," published by John Wiley & Sons, 2007, pp. 137.