1. Euratom Treaty, art. 197, signed on the 25th of March 1957.
2. IAEA INFCIRC/140 –Treaty on the non-proliferation of nuclear weapons, in force as of the 5th March 1970, and related safeguards agreements (INFCIRC/153) and additional protocol (INFCIRC/540).
3. A. Lebrun, S. Jung, S. Zykov, A. Berlizov, Status of NDA techniques in use for IAEA verification of light water reactor spent fuel, in: Proc. of the 54th Annual Meeting of the Institute of Nuclear Materials Management, INMM 2013, Atlanta, Georgia, July 20–24, 2013.
4. O. Okko, T. Hack, M. Hämäläinen, T. Honkamaa, E. Martikka, M. Moring, Developing safeguards for final disposal of spent nuclear fuel in Finland, in: IAEA Symposium on International Safeguards, IAEA CN-220/131, 2014.
5. T. Honkamaa, F. Levai, A. Turunen, R. Berndt, S. Vaccaro, P. Schwalbach, A prototype for passive gamma emission tomography, in: IAEA Symposium on International Safeguards, IAEA CN-220/129, 2014.