1. Briggs, R., and King, T. J., Proc. natn. Acad. Sci. U.S.A., 38, 455–463 (1952).
2. Gurdon, J. B., Q. Rev. Biol., 38, 54–78 (1963).
3. Gurdon, J. B., The Control of Gene Expression in Animal Development (Clarendon, Oxford, 1974).
4. Gurdon, J. B., and Woodland, H. R., Biol. Rev., 43, 233–267 (1968).
5. King, T. J., Nuclear Transplantation in Amphibia in Methods in Cell Physiology (edit. by Prescott, D.M.), 2, 1–36 (Academic, New York, 1966).