1. E. Antonini and M. Brunori, Hemoglobin and Myoglobin in Their Reactions with Ligands, Chap. 9, North-Holland Publishing Co., Amsterdam, The Netherlands (1971).
2. H. C. Watson, in Progress in Stereochemistry (B. J. Aylett and M. M. Harris, ed.), Vol. 4, pp. 299–333, Butterworth, London (1969).
3. J. E. Bennett, J. F. Gibson, and D. J. E. Ingram, Proc. Roy. Soc. (London) A240, 67–82 (1957).
4. J. E. Bennett, J. F. Gibson, D. J. E. Ingram, T. M. Haughton, G. A. Kerkut, and K. A. Munday, Proc. Roy. Soc. (London) A262, 395–408 (1961).
5. G. A. Helcké, D. J. E. Ingram, and E. F. Slade, Proc. Roy. Soc. (London) B169, 275–288 (1968).