1. IEA PVPS Trends 2015 in Photovoltaic Applications 2015
2. Panasonic Panasonic HIT™ 2016 http://panasonic.net/ecosolutions/solar/hit/
3. ASTM I ASTM E2848-13, Standard Test Method for Reporting Photovoltaic Non-Concentrator System Performance West Conshohocken, PA 2013
4. Betts TR Jardine CN Gottschalg R Infield DG Lane K Impact of spectral effects on the electrical parameters of multijunction amorphous silicon cells Proceedings of 3rd World Conference on Photovoltaic Energy Conversion, 2003 2003 1756 1759
5. van Sark WGJHM Louwen A de Waal AC Schropp REI UPOT: The Utrecht photovoltaic outdoor test facility Proceedings of the 27th European Photovoltaic Solar Energy Conference and Exhibition WIP Renewable Energies, Aachen, Germany Frankfurt, Germany 2012 3247 3249