1. Rosensweig, R. E., Nestor, J. W., and Timmins, R. S., Paper 5.14, British Institute of Chemical Engineers/American Institute of Chemical Engineers Joint Meeting (London, June 1965).
2. Neuringer, J. L., and Rosensweig, R. E., The Physics of Fluids, 7, No. 12, 1927 (December 1964).
3. See, for example, Jeans, J. H., The Mathematical Theory of Electricity and Magnetism, Chap. 7, Sec. 192 (Cambridge University Press, Cambridge, 1948). Also: Stratton, J. A., Electromagnetic Theory, 116 (McGraw-Hill, 1944).