J. Reibert, W. Haas, and C. Simader. Sealing systems - cutting edge technology in the smallest envelope, page 88-98. Fachverband Fluidtechnik im VDMA e.V., (2010)
C. Fehrenbacher, L. Hörl, F. Bauer, and W. Haas. Vorgelegt anlässlich der FVA-Informationstagung 2014, 2./3. Dezember, Würzburg, 2014, 1-2, FVA, (2014)
J. Kümmel, and W. Haas. Sealing systems - cutting edge technology in the smallest envelope, page 583-592. Fachverband Fluidtechnik im VDMA e. V., (2010)
N. Nowizki, P. Zeiler, B. Bertsche, and H. Moedden. Risk, Reliability and Safety : Innovating Theory and Practice : Proceedings of the 26th European Safety and Reliability Conference, ESREL 2016 Glasgow, Scotland, 25-29 September 2016, CRC Press, (2016)