@book{ international1968iaea, title={Heavy-water Power Reactors (Vienna, 11-15 Sep.1967)}, series={Proceedings Series}, year={1968}, isbn={92-0-050268-7}, url={https://www.iaea.org/publications/2121/heavy-water-power-reactors-vienna-11-15-sep1967}, publisher={INTERNATIONAL ATOMIC ENERGY AGENCY}, address={Vienna} }