1. G. Ameer and W. Benesch, J. Chem. Phys. 37, 2699 (1962).JCPSA60021-9606
2. W. Benesch, J. Chem. Phys. 39, 1048 (1963).JCPSA60021-9606
3. R. Herman and R. F. Wallis, J. Chem. Phys. 23, 637 (1955).JCPSA60021-9606
4. R. Herman, R. W. Rothery, and R. J. Rubin, J. Mol. Spectry. 2, 369 (1958).JMOSA30022-2852
5. P. M. Morse, Phys. Rev. 34, 57 (1929).PHRVAO0031-899X