1. The Tipping Point;Gladwell,2000
2. A New Silicon p‐n Junction Photocell for Converting Solar Radiation into Electrical Power
3. Strategies Unlimited, Global Analysis of PV Markets and Application Forecast, Report PM-54, June 2004, Strategies Unlimited, Mountain View, California, 2004–2005.
4. The U.S. PV Industry Roadmap Through 2030 and Beyond: www.seia.org;
5. See, Proceedings of the IEEE Photovoltaic Specialists Conferences, IEEE, New York, 1960 (present).