Anmerkungen:
Aus: The compiled state-of-the-art of PV solar technology and deployment : 23rd European Photovoltaic Solar Energy Conference, EU PVSEC, Valencia, Spain, 1 - 5 September 2008 ; proceedings / Lincot, D. et al. (Hrsg.). - Munich : WIP-Renewable Energies, 2008. - S. 1746-1748