References
- Maximow, A. A. and Bloom, W. (1948) A textbook of histology., W. B. Saunders Company, Philadelphia & London
- Mayxeord, W. V. (1937) The significance of the roentgen. Acta of the Intern. Union against Cancer, p. 271.
- Mayxeord, W. V. and Lamertox, L. F. (1941) A survey of depth dose data. Brit. J. Radiol., p. 255.
- Oosterkamp, W. J. and Hengel, J. Vax (1948) Een dynamische electrometer met directe aanwijzing. Philips Techn. Tijdsehr., 10, p. 338.
- Spiers, F. W. (1946) Effective atomic number and energy absorption in tissues. Brit. J. Radiol., p. 52.
- Trout, E. D. and Gager, R. M. (1949) Physical characteristics of soft roentgen rays. Am. J. Roentgenol., 62, p. 91.
- De Waard, R. H. (1948) Approximate theoretical solution of a problem of scattering of soft X-rays and its consequences in medical radiology. Brit. J. Radiol., p. 454.