1. (a) (Ed.), The chemistry of the C=N double bond, John Wiley, London 1970.
2. (b) (Ed.), Supplement A: The chemistry of double-bonded functional groups, John Wiley, Chichester 1989.
3. Interstellar molecules
4. and J. Chem. Soc. Perkin Trans. 2 1825 (1990).
5. Program GAUSSIAN 92, and Gaussian Inc., Pittsburgh, PA, 1991.