L. Hörl, U. Nißler, and W. Haas. Society of Tribologists and Lubrication Engineers annual meeting and exhibition 2010, page 203-207. Curran, (2010)387.
L. Hörl, and W. Haas. Proceedings of the 15th International Conference on Fluid Sealing, page 49–56. Bury St Edmunds, Mechanical Engineering Publications, (1997)144.
L. Hörl, C. Pflüger, W. Haas, A. Laage, and M. Heine. Society of Tribologists and Lubrication Engineers annual meeting & exhibition 2011, page 253-260. Curran, (2011)409.
A. Buck, L. Hörl, and W. Haas. Maschinenelemente und Antriebstechnik, Dichtungstechnik, Schmierstoffe und Schmierungstechnik, Zerspanungs- und Umformtechnik, 2, page 57. GfT, (2011)428.