1. International Atomic Energy Agency. Nature and magnitude of the problem of spent radiation sources. IAEA-TECDOC-620. Vienna: International Atomic Energy Agency, 1991.
2. International Atomic Energy Agency. Regulations for the safe transport or radioactive materials, Safety standards series no. ST-1. Vienna: International Atomic Energy Agency, 1996.
3. International Atomic Energy Agency. Conditioning and interim storage of spent radium sources. IAEA-TECDOC-886. Vienna: International Atomic Energy Agency, 1996.
4. International Organization for Standardization, Radiation protection—sealed radioactive sources—leakage test methods. ISO-9978:1992(E). Geneva: ISO, 1992.