1. B. R. Gatehouse, S. E. Livingstone, and R. S. Nyholm, J. Inorg. Nucl. Chem. 8, 75 (1958).JINCAO0022-1902
2. C. C. Addison and B. M. Gatehouse, Chem. and Ind. (London) (1958) 464.
3. C. C. Addison, D. J. Hathaway, N. Logan, A. Walker, J. Chem. Soc. 1960, 4308.
4. J. R. Ferraro, J. Mol. Spectry. 4, 99 (1960).JMOSA30022-2852
5. J. P. Mathieu and M. Lounsbury, Discussions Faraday Soc. 9, 196 (1950).DFSOAW0014-7664