1. R. Gottschalg, T. Betts, Robustness of energy yield measurements of photovoltaic modules. in Proceedings of the 26th Photovoltaic Solar Energy Conference, WIP-Munich, WIP, Hamburg (2011)
2. M. Quintana et al., Commonly observed degradation in field-aged photovoltaic modules. in Photovoltaic Specialists Conference, 2002. Conference Record of the Twenty-Ninth IEEE (IEEE, 2002)
3. S. Kaplanis, E. Kaplani, Energy performance and degradation over 20 years performance of BP c-Si PV modules. Simul. Model. Pract. Theory 19(4), 1201–1211 (2011)
4. D. King et al., Photovoltaic module performance and durability following long-term field exposure. Prog. Photovolt. Res. Appl. 8(2), 241–256 (2000)
5. A. Luque, S. Hegedus, Handbook of Photovoltaic Science and Engineering (Wiley, New York, 2011)