J. Grün, S. Feldmeth, and F. Bauer. 10th International Conference on Tribology – BALKANTRIB '20 PROCEEDINGS, page 165-166. (May 2021)674 (peer-review).
S. Bekgulyan, S. Feldmeth, and F. Bauer. 25th International Conference on Fluid Sealing, page 79-91. Manchester, BHR Group, (March 2020)665 (peer-review).