@book{
      international1996iaea,
      title={Manual on Self-Contained Gamma Irradiators (Categories I and III)},
      author={ },
      series={entity},
      number={7 },
      year={1996},
      isbn={ },
      url={/publications/4601/manual-on-self-contained-gamma-irradiators-categories-i-and-iii },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }