1. Okuda, T.; Yoshida, N.; Hiura, M.; Ishihara, H.; Yamada, K.; Negita, H.:J Mol Struct 96(1982),169
2. Chia, L.S.; Cullen, W.R.; Gerry, M.C.L.; Yiaw, P.S.:Can J Chem 52(1974),613
3. Romanenko, E.A.; Povolotskii, M.I.; Pavlenko, N.G.; Egorov, Yu.P.:Teor Eksp Khim 14(1978),834
4. Brisson, C.; Durand, M.; Jugie, G.; Pasdeloup, M.:J Mol Struct 68(1980),137
5. NQR Group of INEOS AN SSSR:Nuclear Quadrupole Resonance In Chemistry (G.K. Semin et al., English Edition, John Wiley & Sons) (1975),389