Bär, M.; Barreau, N.; Couzinie-Devy, F.; Felix, R.; Klaer, J.; Pookpanratana, S.; Blum, M.; Zhang, Y.; Denlinger, J.; Yang, W.; Wilks, R.; Weinhardt, L.; Schock, H.-W.; Kessler, J.; Heske, C.: The heavily intermixed In2S3/Cu(In, Ga)Se2 interface as Revealed by photoelectron and soft x-ray emission spectroscopy. In: 2013 IEEE 39th Photovoltaic Specialists Conference (PVSC). IEEE, 2013. - ISBN 978-1-4799-3299-3, p. 857-862