1. K. Vaughan and M.F.G. Stevens, Chem. Soc. Review, 7, 377 (1978).
2. M.F.G. Stevens, DTIC: a springboard to new antitumour agents, in: “Structure-Activity Relationships of Anti-Tumour Agents, D.N. Reinhoudt, T.A. Connors, H.M. Pinedo, and K.W. Van de Poll, eds., Martinus Nijboff, The Hague, pp. 183–218 (1983).
3. M.F.G. Stevens, Second-generation azolotetrazinones, in: “New Avenues in Developmental Cancer Chemotherapy”, Academic Press, London, pp. 335–354 (1987).
4. M.F.G. Stevens, J. Chem. Soc., Perkin Trans. I, 1221 (1972).
5. E.J. Gray and M.F.G. Stevens, J. Chem. Soc., Perkin Trans. I, 1492 (1976).