@book{
      international2008iaea,
      title={Industrial Process Gamma Tomography},
      author={ },
      series={entity},
      number={1589 },
      year={2008},
      isbn={978-92-0-104508-9 },
      url={/publications/7921/industrial-process-gamma-tomography },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }