1. See, for example, Holland, L., Vacuum Deposition of Thin Films (John Wiley and Sons, New York, 1956).
2. Kane, W. M., and Wood, C., J. Electrochem. Soc., 108, 101 (1961).
3. Wolsky, S. P., and Zdanuk, E. J., Bull. Amer. Phys. Soc., Ser. II, 6, 345 (1961).
4. Yurasova, V. E., and Sirotenko, I. G., Soviet Phys.—JETP, 14, 968 (1962). (Translation, J. Exp. Theoret. Phys., 41, 1359 (1961)).
5. Belser, R. B., and Hicklin, W. H., Rev. Sci. Instrum., 27, 293 (1956).