Radioisotope Standards in the United Kingdom

Bayly J. G. : A calorimetric measurement of the disintegration rate of a P³² source. Canad. J. Res. A, 28 (1950), 520.

Bullard E. C. : British standard of radioactive iodine (I¹³¹). Nature (London) 170 (1952), 916.

Cannon C. V. Jenks G. H. : A microcalorimeter suitable for study of easily absorbed nuclear radiations. Rev. Sci. Instrum. 21 (1950), 236.

Gray L. H. : The experimental determination by ionization methods of the rate of emission of beta- and gamma-ray energy by radioactive substances. The isotopes Na²⁴, P³², Co⁶⁰ and I¹³¹. Brit. J. Radiol. 22 (1949), 677.

Hawkings R. C. Merritt W. F. Craven J. H. : “Recent developments and techniques in the maintenance of standards.” H. M. Stationary Office, London 1952.

Recommendations of the International Commission on radiological protection and of the International Commission on radiological units, 1950. Handb. U. S. Bur. Stand. no. 47 (1950), 29.

Paneth F. A. : Radioactive Standards and Units. Nucleonics 8 (1951), 38.