1. Physical Theory of Ferromagnetic Domains
2. , , and , Proc. Internat. Conf. Magnetism, Moscow 1973.
3. Theorie der Elektrizität, Vol. 1, B. G. Teubner-Verlag, Leipzig 1918 (p. 202).
4. A Treatise on Electricity and Magnetism, 3-rd Edition, Vol. 2, Oxford University Press, London 1892 (p. 66).