@book{
      international1963iaea,
      title={Radioisotopes in Hydrology (Tokyo, 5-9 March 1963)},
      author={ },
      series={entity},
      number={ },
      year={1963},
      isbn={92-0-040063-9 },
      url={/publications/2007/radioisotopes-in-hydrology-tokyo-5-9-march-1963 },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }