1. Bourdillon, R. B., Lidwell, 0. M., and Lovelock, J. E. (1948). Med.
2. Dumbell, K. R., and Lovelock, J. E. (1949). Ibid., 1, 777.
3. Dumbell, K. R., and Lovelock, J. E., and Lowbury, E. J. (1948). Ibid., 2, 183.
4. Harwood, F. C., Powney, J., and Edwards, C. W. (1944). Brit. med. J., 1, 615.
5. Surveys of the Heights and Weights of Royal Air Force Personnel;Morant, G.M.;Flying Personnel Research Committee Report,1949