@book{
      international1961iaea,
      title={Codes for Reactor Computations},
      author={ },
      series={entity},
      number={ },
      year={1961},
      isbn={92-0-050061-7 },
      url={/publications/1854/codes-for-reactor-computations },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }