@book{ international1990iaea, title={Handling, Conditioning and Disposal of Spent Sealed Sources (Technical Manual)}, series={TECDOC Series}, number={548}, year={1990}, url={http://www.dgdingfa.net/publications/804/handling-conditioning-and-disposal-of-spent-sealed-sources-technical-manual}, publisher={INTERNATIONAL ATOMIC ENERGY AGENCY}, address={Vienna} }