1. Adair, G. S., in Analytical Methods of Protein Chemistry (edit. by Alexander, P., and Block, R. J.), 3, 24 (Pergamon Press, Oxford, 1961).
2. Rowe, D. S., and Abrams, M. E., Biochem. J., 67, 431 (1957).
3. Elliott, F. G., and Van Baelen, H., Bull. Soc. Chim. Biol., 47, 1979 (1965).
4. Elliott, F. G., and Hoebeke, J., in Physiology and Biochemistry of Haemocyanins (edit. by Guiretti, F.) (Academic Press, New York, 1968).