References
- Lidén K. SI units in radiology and radiation measurement. Acta radiol. Ther. Phys. Biol. 1973; 12: 81
- International commission on radiation units and measurements (ICRU) (a). Report to the International Executive Committee of the Thirteenth International Congress of Radiology, Madrid, October, 1973
- International commission on radiation units and measurements (ICRU) (b). Dose equivalent. ICRU Publications, Washington, D. C. 1973, Supplement to ICRU Report 19