1. Photon International. Little smiles on long faces. Despite the gloomy economic outlook, cell production rose 85% to 7.9GW in 2008. Photon International, the photovoltaic magazine, 2009; March 2009.
2. Jager-Waldau A. PV Status Report 2010, in Joint Research Centre, Renewable Energy Unit. EUR 24344 EN - 2010; 2010.
3. IEA, Technology Roadmap. Solar photovoltaic energy in International Energy Agency Report, Available at: http://www.iea.org/papers/2010/pv_roadmap.pdf; 2010.
4. Photon International. Solar cell production for 2009 hits 12GW, an incredible 56-percent increase over 2008. Photon International. The Solar power magazine, 2010; March 2010.
5. US Department of Energy. Basic research needs for solar energy utilization, in Report of the Basic Energy Sciences Workshop on Solar Energy Utilization 2005;(April (18–21)).