1. M. E. Jacox, J. Mol. Spectrosc. 66, 272 (1977).JMOSA30022-2852
2. G. Herzberg and J. Shoosmith, Can. J. Phys. 34, 523 (1956).CJPHAD0008-4204
3. L. Y. Tan, A. M. Winer, and G. C. Pimentel, J. Chem. Phys. 57, 4028 (1972).JCPSA60021-9606
4. C. Yamada, E. Hirota, and K. Kawaguchi, J. Chem. Phys. 75, 5256 (1981).JCPSA60021-9606
5. G. Herzberg, Spectra and Structures of Simple Free Radicals (Cornell University, Ithaca, 1971).