References
- Klein , D.J. 1976 . J. chem. Phys. , (to appear), paper I. Klein, D. J., and García-Bach, M. A., 1976, J. chem. Phys. (to appear), paper II.
- McKoy , V. 1965 . J. chem. Phys. , 43 : 1605 – 1605 . Steiner, E., 1966, J. chem. Phys., 45, 328; 1967, Ibid., 46, 1727; 1968, Molec. Phys., 15, 459. Silverstone, H. J., and Sinanoğlu, O., 1967, J. chem. Phys., 46, 854. Paulus, K. F. G., 1967, J. chem. Phys., 46, 3078.
- des Cloizeaux , J. 1963 . Phys. Rev. , 129 : 554 – 554 . Peters, D., 1972, Theor. chim. Acta, 24, 16.
- Wild , U. , Keller , J. and Günthard , Hs.H. 1969 . Theor. chim. Acta , 14 : 383 – 383 .
- Klein , D.J. 1973 . Wave Mechanics , Edited by: Price , W.C. , Chissick , S.S. and Ravensdale , T. 193 – 193 . Butterworth .
- Moshinsky , M. and Seligman , T.H. 1971 . Ann. Phys. , 66 : 311 – 311 .
- Klein , D.J. , Hankins , D. and Kramling , R.W. 1972 . Int. quant. Chem. , 6 : 1011 – 1011 .
- Löwdin , P.-O. 1963 . Rev. mod. Phys. , 35 : 469 – 469 . Freeman, A. J., and Watson, R. E., 1965, Magnetism, IIA, edited by G. T. Rado and H. Suhl (Academic Press), p. 168. Musher, J. I., 1970, Chem. Phys. Lett., 7, 397.
- Harary , F. 1972 . Graph Theory , Addison-Wesley .
- Murrell , J.N. and Salem , L. 1961 . J. chem. Phys. , 43 : 1914 – 1914 . Longuet-Higgins, H. C., and Salem, L., 1960, Proc. R. Soc. A, 257, 445.
- Fischer-Hjalmers , I. 1965 . J. chem. Phys. , 42 : 1962 – 1962 .