1. T.B. Freedman, X. Cao, D.A. Young, L.A. Nafie, J. Phys. Chem. 106 (2002) 3560.
2. J. Autschbach, F.E. Jorge, T. Ziegler, Inorg. Chem. 42 (2003) 2867.
3. G.V. Romanenko, V.L. Varand, N.V. Podberezskaya, D.Y. Naumov, S.A. Gromilov, S.V. Larionov, J. S. Chem. 42 (2001) 1036.
4. E.V. Makotchenko, I.A. Baidina, D.Y. Naumov, J.S. Chem. 47 (2006) 499.
5. W.T. Chen, M.S. Wang, L.Z. Cai, G.C. Guo, J.S. Huang, Aust. J. Chem. 58 (2005) 578.