1. J. M. Williams and K. Carneiro, Adv. Inorg. Chem. Radiochem.,29, 249?296 (1985).
2. J. M. Williams, M. A. Beno, H. H. Wang, et al., Acc. Chem. Res.,18, 261?267 (1985).
3. V. N. Laukhin, E. É. Kostyuchenko, Yu. V. Sushko, et al., Pis'ma v Zh. Éksp. Teor. Fiz.,41, No. 2, 68 (1985).
4. W.-H. Whangbo, J. M. Williams, A. J. Schultz, et al., J. Am. Chem. Soc.,109, No. 1, 90?94 (1987).
5. A. V. Zvarykina, P. A. Kononovich, V. N. Laukhin, et al., Pis'ma v Zh. Éksp. Teor. Fiz.,43, No. 5, 257?259 (1986).