1. Oudin, J., C.R. Acad. Sci., Paris, 242, 2489 (1956).
2. Dray, S., and Young, G. P., Science, 129, 1032 (1959). Dubiski, S., Skalba, D., Dubiska, A., and Kelus, A., Nature, 184, 1811 (1959). Oudin, J., C.R. Acad. Sci., Paris, 250, 770 (1960).
3. Kelus, A., Marrack, J. R., and Richards, C. B., Biochem. J., 76, 13P (1960).
4. Oudin, J., in Symposium on Protein Structure, 298 (Methuen and Co., Ltd., London, 1957).
5. Benacerraf, B., and Gell, P. G. H., Immunol., 2, 53 (1959).