1. Lord Rayleigh, Proc. London Math. Soc., 17, 4 (1887).
2. R.M. White and F.W. Voltmer, Appl. Phys. Lett., 7, 314 (1965).
3. See for example, L. Dieulesaint and D. Royer, Handbook of Surfaces and Interfaces, Ed. L. Dobrzynski, Garland STPM Press, New-York, Vol. II, p. 65 (1978)
4. I.M. Lifshitz and L.N. Rosenzweig, Zh. Eksp, Teor. Fiz., 18, 1012 (1948)
5. L.N. Rosenzweig, Tr. Fiz. Otdel. Fiz. Mat. Fakul’teta Khark Gos. Univ., 2, 19 (1950).