1. C. Curtis, et. al., In the Book ?Transactions of the International Conference of Accelerators? [Russian Translation], Dubna (1963), Atomizdat, Moscow (1964) p. 620.
2. V. P. Silin and A. A. Rukhadze, Electromagnetic Properties of Plasma and Plasma-like Substances [in Russian], Atomizdat, Moscow (1961), p. 78.
3. L. D. Landau and E. M. Lifshits, Electrodynamics of Continuous Media §67 [in Russian], Fizmatgiz, Moscow (1957).
4. A. A. Kolomenskii, Atomnaya Énergiya,12, 7 (1964).
5. A. A. Kolomenskii, Atomnaya Énergiya,3, 492 (1957).