1. K. Klier, Adv. Catal.,31, 243 (1982).
2. J. B. Friedrich, M. S. Wainwright, and D. J. Young, J. Catal.,80, 1 (1983).
3. J. C. Lavalley, J. Saussey, and T. Rais, J. Mol. Catal.,17, 289 (1982).
4. G. M. Zhidomirov and I. D. Mikheikin, Itogi Nauki Tekh., Ser. Str. Mol. Khim. Suyaz' (VINITI, Moscow),9 (1984).
5. N. A. Anikin, M. B. Kuz'minskii, A. A. Bagatur'yants, and V. B. Kazanskii, Summaries of Papers from 1st All-Union Conference on Solid-State Quantum Chemistry [in Russian]. Leningrad (1982), p. 102.