1. Stewart N. G. , Crooks R. N. , Osmond R. G. & Fisher E. M. (1957). The world-wide deposition of long-lived fission products from nuclear test explosions. A.E.R.E. Unclassified Report HP/R 2354.
2. Strontium-Calcium Movement from Soil to Man
3. Bryant F. J. , Chamberlain A. C. , Spicer G. S. & Webb M. S. W. (1958). Brit. Med. J. p. 1371.
4. Bryant F. J. , Chamberlain A. C. , Morgan A. & Spicer G. S. (1956). Radiostrontium fallout in biological materials in Britain. A.E.R.E. Unclassified Report HP/R 2056.