@book{
      international1974iaea,
      title={Californium-252 in Teaching and Research},
      author={ },
      series={entity},
      number={159 },
      year={1974},
      isbn={92-0-115174-8 },
      url={/publications/1260/californium-252-in-teaching-and-research },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }