@book{ international1975iaea, title={Radiation for A Clean Environment (Munich, 17-21 May 1975)}, series={Proceedings Series}, year={1975}, isbn={92-0-060075-1}, url={http://www.dgdingfa.net/publications/3171/radiation-for-a-clean-environment-munich-17-21-may-1975}, publisher={INTERNATIONAL ATOMIC ENERGY AGENCY}, address={Vienna} }