R. Youssefi, J. Maier, S. Merli, and G. Scheffknecht. Conference Proceedings: Kraftwerkstechnik 2018, Power Plant Technology, page 345-356. 23.-24.10.2018, Dresden, (2018)
P. Plaza, J. Maier, I. Maj, W. Gadek, and S. Kalisz. 13th International Conference on Boiler Technology, 23 - 26 October 2018, Szczyrk - Orle Gniazdo, Poland, (2018)