1. A. Sommerfeld, Vorlesungen über Theoretische Physik, Vol. 3: Elektrodynamik (Geest & Portig, Leipzig, 1949).
2. L. A. Vainshtein, Electromagnetic Waves (Sovetskoe Radio, Moscow, 1957) [in Russian].
3. B. Z. Katsenelenbaum, High-Frequency Electrodynamics (Wiley-VCH, Weinheim, 2006).
4. N. A. Semenov, Technical Electrodynamics (Svyaz’, Moscow, 1973) [in Russian].
5. M. B. Vinogradova, O. V. Rudenko, and A. P. Sukhorukov, The Wave Theory (Nauka, Moscow, 1979) [in Russian].