1. V. N. Shrednik, Poverkhnost, No. 2, 102 (1998).
2. Yu. A. Vlasov, V. G. Pavlov, and V. N. Shrednik, Sov. Tech. Phys. Lett. 12, 224 (1986).
3. V. G. Pavlov, A. A. Rabinovich, and V. N. Shrednik, Sov. Phys. Tech. Phys. 20, No. 10 (1975).
4. Yu. A. Vlasov, O. L. Golubev, and V. N. Shrednik, Crystal Growth (Nauka, Moscow, 1991), Vol. 19, p. 5 [in Russian].
5. R. O. Jenkins, Proc. R. Soc. London, Ser. A 176, 262 (1940).