1. Hippel, A.R., Dielectrics and Waves, New York: Wiley, 1954.
2. Netushil, A.V., Zhukhovitsky, B.Ya., Kudin, V.N., and Parini, E.P., Vysokochastotnyi nagrev dielektrikov i poluprovodnikov (High-Frequency Heating of Dielectrics and Semiconductors), Moscow: Gosenergoizdat, 1959.
3. Hippel, A.R., Dielectric Materials and Application, NewYork: MIT Technology Press and Wiley, 1954.
4. Falkenhagen, H., Electrolytes, Oxford: Oxford University Press, 1934.
5. Falkenhagen, H., Theorie der Elektrolyte, Leipzig: Hirzel Verlag, 1971.