1. Fraunhofer ISE 2015 Photovoltaics Report Freiburg 17 November https://www.ise.fraunhofer.de/de/downloads/pdf-files/aktuelles/photovoltaics-report-in-englischer-sprache.pdf
2. Agostinelli , G.G. Vitanov , P. Alexieva , Z. Harizanova , A. Dekkers , H.F.W. De Wolf , S. Beaucarne , G. 2004 Proceedings of the 19th European Photovoltaic Solar Energy Conference and Exhibition, Paris, France, June 7-11, 2004 2529 2532
3. Glunz , S.W. Feldmann , F. Richter , A. Bivour , M. Reichel , C. Steinkemper , H. Benick , J. Hermle , M. 2015 Proceedings of the 31st European Photovoltaic Solar Energy Conference and Exhibition, Hamburg 259
4. High mobility In2O3:H transparent conductive oxides prepared by atomic layer deposition and solid phase crystallization
5. Solar cell efficiency tables (version 44)