2. Kenneth Starcher and Vaughn Nelson, Final Report for Wind/Solar Resource Assessment for Texas, CONFRRM, Alternative Energy Institute, July 31, 1998.
3. Wind Resource Assessment Handbook, National Renewable Energy Laboratory, April 1996.
4. Wind Energy Resource Atlas of the United States, DOE/LCH 10093-4, October 1996.
5. Vaughn Nelson, Kenneth Starcher, and Heath Gaines, "Wind/Solar Resource in Texas." Proceedings Windpower ‘97, American Wind Energy Association, June 1997, p. 425.