1. H. Fröhlich, Theory of Dielectrics: Dielectric Constant and Dielectric Loss (Clarendon, Oxford, 1958; Inostrannaya Literatura, Moscow, 1960).
2. N. P. Bogoroditskii, Yu. M. Volokovinskii, and A. A. Vorob’ev, Theory of Dielectrics (Énergiya, Moscow, 1965).
3. G. I. Berdov, Izv. Vyssh. Uchebn. Zaved., Fiz., No. 3, 9 (1962).