@book{ international2005iaea, title={Derivation of Activity Concentration Values for Exclusion, Exemption and Clearance}, series={Safety Reports Series}, number={44}, year={2005}, isbn={92-0-113104-6}, url={http://www.dgdingfa.net/publications/7131/derivation-of-activity-concentration-values-for-exclusion-exemption-and-clearance}, publisher={INTERNATIONAL ATOMIC ENERGY AGENCY}, address={Vienna} }