M. Hornberger, R. Spörl, and G. Scheffknecht. 13th International Conference on Greenhouse Gas Control Technologies, GHGT-13, 114, page 6171-6174. Amsterdam, Elsevier, (2017)
M. Hornberger, R. Spörl, and G. Scheffknecht. Proceedings of the 12th International Conference of Fluidized Bed Technology, Kraków, Fundacja dla Akademii Górniczo-Hutniczej im. Stanislawa Staszica, (2017)
G. Dunnu, J. Maier, T. Hilber, and G. Scheffknecht. 7th European Conference on Coal Research and its Applications, 88, 12, page 2403-2408. Amsterdam, Elsevier, (2009)