1. Wehner, G.K., J. Appl. Phys., 1955, vol. 26, no. 8, p. 1056.
2. Yurasova, V.E., Pleshivtsev, N.V., and Orfanov, I.V., J. Exp. Theor. Phys., 1960, vol. 10, no. 4, p. 689.
3. Rübesame, D. and Niedrig, H., Radiat. Eff. Defects Solids, 1996, vol. 138, nos. 1–2, p. 49.
4. Korsakova, O.S., Aleshkevich, V.A., Samoilov, V.N., and Nikitin, A.M., Poverkhnost, 1997, no. 2, p. 77.
5. Samoilov, V.N., Korsakova, O.S., and Elesin, V.A., Bull. Russ. Acad. Sci.: Phys., 2000, vol. 64, no. 4, p. 661.