1. Kammüller, M., 1986, “Zur Abdichtwirkung von Radial-Wellendichtringen”, Dissertation Universit ä t Stuttgart
2. Gabelli, A. and Poll, G., 1990, “Formation of Lubricant Film in Rotary Sealing Contacts — Part I: Lubricant Film Modelling”. Paper presented at the Joint ASME/STLE Tribology Conference, Toronto, Canada, October 7-10.
3. Poll, G. and Gabelli, A., 1990, “Formation of Lubricant Film in Rotary Sealing Contacts: Part II — A New Measuring Principle for Lubricant FilmThickness”. Paper presented at the Joint ASME/STLE Tribology Conference, Toronto, Canada, October 7-10.
4. Kawahara, Y., Ontake, Y. and Hirubayashi, H., 1981, “Oil Film Formation of Oil Seals for Reciprocating Motion”, Proc. of 9th International Conference on Fluid Sealing.
5. Wernecke, P.W., 1987, “Analysis of the Reciprocating Sealing Process”, Proc. of 11th International Conference on Fluid Sealing.