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2. Finn, R., Capillarity Phenomena. Universität Bonn: Sonderforschungsbereich 72, Approximation und Optimierung, Preprint no. 15 (1972).
3. Aris, R., Vectors, Tensors, and the Basic Equations of Fluid Mechanics. New Jersey: Prentice-Hall 1962 (see page 230).
4. Dussan V., E.B., On the Difference Between a Bounding Surface and a Material Surface. To be published.
5. Dussan V., E.B., & S.H. Davis, On the Motion of a Fluid-Fluid Interface Along a Solid Surface. J. Fluid Mech. 65, 71–95 (1974).