References
- Long , E.R. and Memory , J.D. 1976 . J. chem. Phys. , 65 : 2918 – 2918 .
- Haberditzl , W. 1966 . Angew. Chem., Int. Edn , 5 : 288 – 288 .
- Dauben , H.J. , Wilson , J.D. and Laity , J.L. 1969 . J. Am. chem. Soc. , 91 : 1991 – 1991 .
- O'Sullivan , P.S. and Hameka , H.F. 1970 . J. Am. chem. Soc. , 92 : 1821 – 1821 .
- Musher , J.I. 1965 . J. chem. Phys. , 43 : 4081 – 4081 .
- Nowakowski , J. 1968 . Theor. chim. Acta , 10 : 79 – 79 .
- Dorfman , Y.G. 1965 . Diamagnetism and the Chemical Bond , Arnold .
- Gaidis , J.M. and West , R. 1967 . J. chem. Phys. , 46 : 1218 – 1218 .
- Jones , A.J. 1968 . Rev. pure appl. Chem. , 18 : 253 – 253 .
- Blustin , P.H. 1978 . Molec. Phys. , 36 : 279 – 279 .
- Dauben , H.J. , Wilson , J.D. and Laity , J.L. 1971 . Non-benzenoid Aromatics Vol. 2 , 167 – 167 .
- Amos , A.T. and Roberts , H.G.Ff. 1971 . Molec. Phys. , 20 : 1089 – 1089 .
- Lazzeretti , P. and Taddei , F. 1972 . J. Chem. Soc. Faraday Trans. II , 68 : 1825 – 1825 .
- Baudet , J. 1961 . J. chim. phys. Physico-chim. Biol. , 58 : 228 – 228 .
- Peacock , T.E. 1965 . Electronic Properties of Aromatic and Heterocyclic Molecules , Academic Press .
- Akamatu , H. and Matsunaga , Y. 1953 . Bull. chem. Soc. Japan , 26 : 364 – 364 . 1956, Ibid., 29, 800.
- Coulson , C.A. 1961 . Valence , Oxford University Press . Chap. IV