by Demianov, A. V., Evseev, V. S., Kapusta, S., Mamedov, T. N., Roganov, V. S., Obukhov, Yu. V., Kudinov, V. I., Evdokimov, A. A., Tkacheva, O. P.
Published in Hyperfine interactions (01.02.1991)

by Tkacheva, O. P., Martin, V. V., Volodarskii, L. B., Buchachenko, A. L.
Published in Bulletin of the Academy of Sciences of the USSR Division of Chemical Science (01.05.1981)