1. Bassett, G. A., Mentor, J. W., and Pashley, D. W., Structure and Properties of Thin Films, 11, edit. by Neugebauer et al. (Wiley and Sons, New York, 1959).
2. Neugebauer, C. A., and Webb, M. B., J. App. Phys., 33, 74 (1962).
3. Neugebauer, C. A., 1962 Trans. Ninth Symp. Amer. Vac. Soc., 45 (Macmillan, New York, 1962).
4. Kofstad, P., and Hauffe, K., Werkstoffe u. Korrosion, 11, 642 (1956).
5. Andreeva, V. V., and Alekseeva, E. L., Zh. Priklad. Khim., 35, 1175 (1962).