@book{
      international1970iaea,
      title={Heavy-water Reactors},
      author={ },
      series={entity},
      number={37 },
      year={1970},
      isbn={92-0-154070-1 },
      url={/publications/1553/heavy-water-reactors },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }