1. IEC, Sept. 29, 2014 http://www.iea.org/newsroom/news/2014/september/how-solar-energy-could-be-the-largest-source-of-electricity-by-mid-century.html
2. Solar Energy to be the cheapest power source in 10 years;Jayalakshmi,2015
3. Quantifying PV Module Defects in the Service Environment;Bradley;IEEE PVSEC,2015
4. IEC 61215 “Crystalline silicon terrestrial photovoltaic modules-design qualification and type approval” http://www.iec.ch/ (2016)
5. IEC 62788-7-2 (2017) “Measurement procedures for materials used in photovoltaic modules-Part 7-2: environmental exposures-accelerated weathering tests of polymeric materials”, http://www.iec.ch/ (2017)