@book{
      international1962iaea,
      title={Analytic Criticality Studies Associated With Neutron Diffusion Theory},
      author={ },
      series={entity},
      number={26 },
      year={1962},
      isbn={92-0-157061-9 },
      url={/publications/1507/analytic-criticality-studies-associated-with-neutron-diffusion-theory },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }