1. Advanced Solar Cells; International Solar Energy Research Center Konstanz (ISC Konstanz); Rudolf-Diesel-Str. 15 D-78467 Konstanz Germany
2. Industrial Solar Cell; International Solar Energy Research Center Konstanz (ISC Konstanz); Rudolf-Diesel-Str. 15 D-78467 Konstanz Germany
3. Synthesis and Properties; SINTEF Materials and Chemistry; Høgskoleringen 5 7465 Trondheim Norway
4. R&D Solar Cells; Sunways AG; Max-Stromeyer-Str. 160 D-78467 Konstanz Germany