References
- Black , P.J. and McDowell , C.A. 1967 . Molec. Phys. , 12 : 233 – 233 .
- Pople , J.A. , Beveridge , D.L. and Dobosh , P.A. 1968 . J. Am. chem. Soc. , 40 : 420 – 420 .
- Carrington , A. and Dos Santos-Veiga , J. 1962 . Molec. Phys. , 5 : 21 – 21 .
- Henning , J.C.M. 1966 . J. chem. Phys. , 44 : 2139 – 2139 .
- McLachlan , A.D. 1960 . Molec. Phys. , 3 : 233 – 233 .
- Streitwieser , A. 1961 . Molecular Orbital Theory for Organic Chemists , New York : John Wiley & Sons, Inc. .
- (a) Giacometti G. Nordia P.L. Pavan M.V. Theor. chim. Acta 1963 1 404 404 (b) Colpa, J. P., and Bolton, J. R., 1963, Molec. Phys., 6, 273. (c) Higuchi, J., 1963, J. chem. Phys., 39, 3455. (d) Bolton, J. R., 1965, J. chem. Phys., 43, 309.
- McConnell , H.M. 1956 . J. chem. Phys. , 24 : 764 – 764 .