References
- Turro , N. J. 1978 . Modern Molecular Photochemistry , 107 Menlo Park, California : The Benjamin / Cummings Publishing .
- Ohshima , S. , Uchida , A. , Oonishi , I. and Fujisawa , S. The 16th International Simposium on Polycyclic Aromatic Compounds . pp. A-18 Charlotte in Figure 1 of this reference, the structure of compounds 1 and 2 was reversed
- Fujisawa , S. , Oonishi , I. , Aoki , J. and Ohashi , Y. 1987 . Acta Cryst. , C43 : 972 – 974 .
- Fujisawa , S. , Oonishi , I. , Aoki , J. and Ohashi , Y. 1987 . Acta Cryst. , C43 : 1840 – 1841 .
- Albrecht , A. C. 1961 . J. Mol. Spectroscopy , 6 : 84 – 108 .