1. Denny, D.F., Some measurements of fluid pressures between plane parallel thrust surfaces with special reference to radial face seals. Wear, 4 (1961), pp. 64–83.
2. Batch, B.A. and Iny I.H., Pressure generation in radial-faces seals. 2nd Int. Conf. on Fluid Sealing. B.H.R.A., paper F4, April 1964.
3. Pape, J.G., Fundamental research on a radial face seal, A.S.L.E. Trans., 11, pp. 302–309, (1968).
4. Findlay, J.A., Measurements of leakage in mechanical face seals, 4th Int. Conf. on Fluid Sealing, B.H.R.A., paper 19, May 1969.
5. Haardt, R., Les joints d’étanchéité à faces radiales. Les effets transitoires introduits en lubrificaiton hydrodynamique par leur mésalignement. Thèse de Docteur Ingénieur, Université C. Bernard, Lyon, 1975.