References
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- Sievert, Rolf M. (1950) Medical Radiophysics in Sweden 1920—1950. Acta radiol, 33, p. 191.
- Sievert, R. M. and Walstam, R. (1951) Eine Methode fur umfassende laufende Strahlen-schutzmessungen. Fortschr. Rontgenstr, 75, p. 168.
- Smith, S. W. and Kennedy, R. J. (1955) Dose to walls in radiographic rooms. Radiology, 64, p. 114.