• 
  Bär, M.; Klaer, J.; Weinhardt, L.; Wilks, R.G.; Krause, S.; Blum, M.; Yang, W.; Heske, C.; Schock, H.-W.: Cu_2-xS Surface Phases and Their Impact on the Electronic Structure of CuInS₂ Thin Films - A Hidden Parameter in Solar Cell Optimization. Advanced Engineering Materials 3 (2013), p. 777-781

10.1002/aenm.201200946