European Photovoltaic Solar Energy Conference and Exhibition (27 : 2012 : Frankfurt am Main) Proceedings München : WIP Renewable Energies, 2012 (2012), Seite 3795-3800 1 DVD-ROM
European Photovoltaic Solar Energy Conference and Exhibition (25 : 2010 : Valencia) Proceedings München : WIP Renewable Energies, 2010 (2010) 1 DVD-ROM