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2. 1969(ed. E. Scoffone), North-Holland Publ., Amsterdam, p. 138.
3. Finn, F.M., Hofmann, K. (1976) inThe Proteins (eds H. Neurath, R.L. Hill) (Vol. 2) 3rd edn., Academic Press, New York, pp. 105-253; see also Inman, J.K. in ref. 15, p. 253.
4. Wfnsch, E. (1967)Z. Naturforsch. Ted B,22, 1269.
5. Merrifield, R.B. (1963)J. Am. Chem. Soc,85, 2149.