W. Keim, B. Lücke, and J. Weitkamp. volume 1 of Tagungsbericht / Deutsche Wissenschaftliche Gesellschaft für Erdöl, Erdgas und Kohle, page 328. P & W Druck u. Verl., (1997)
V. Calemma, M. Ferrari, S. Rabl, A. Haas, D. Santi, and J. Weitkamp. Preprints of the DGMK-Conference "New Technologies and Alternative Feedstocks in Petrochemistry and Refining", October 9 - 11, 2013, Dresden, Germany, 2013,2, page 39-50. DGMK, (2013)
J. Weitkamp, S. Rabl, A. Haas, M. Ferrari, and V. Calemma. Preprints of the DGMK-Conference "The future role of hydrogen in petrochemistry and energy supply", 2010,3, page 77-86. DGMK, (2010)
T. Donauer, R. Gläser, and J. Weitkamp. Proceedings of the DGMK Conference "Chances for Innovative Processes at the Interface Between Refining and Petrochemistry", 2002,4, page 225-232. DGMK, (2002)
S. Doğan, J. Ryborz, and B. Bertsche. Proceedings of the Institution of Mechanical Engineers. Part K, Journal of multi-body dynamics, 220 (2):
79-96(2006)
G. Iordachioaia, and E. Soare. Romance Languages and Linguistic Theory 2013, 8, page 223-238. Amsterdam ; Philadelphia, John Benjamins Publishing Company, (2015)