1. F. A. Cotton, Usp. Khim.,36, 1799 (1967).
2. M. B. Kuz'minskii and A. A. Bagatur'yants, Kinetics and Catalysis, Vol. 8, Progress in Science and Technology [in Russian], Izd. VINITI (1980), p. 99.
3. H. H. Dunken and V. I. Lygin, Quantenchemie der Adsorption an Festkorperoberflaechen [Russian translation], Mir, Moscow (1980).
4. Yu. A. Borisov and D. I. Raevskii, Zh. Strukt. Khim.,24, No. 3, 97 (1983).
5. Yu. A. Borisov, Dokl. Akad. Nauk SSSR,224, 1330 (1975).