1. European Wind Industry Association, Wind in Power 2013 European statistics, www.ewea.org,February 2014.
2. European Photovoltaic Industry Association, Market Report 2013, March 2014.
3. Substrate reuse for epitaxial lift-off of III-V solar cells;Bauhuis,2007
4. Solar cell efficiency tables (version 46)
5. High efficiency GaAs thin film solar cells by peeled film technology