@book{
      international1988iaea,
      title={User's Guide for the Uranium Ore Reserve Calculation System (URAD)},
      author={ },
      series={entity},
      number={484 },
      year={1988},
      isbn={ },
      url={/publications/739/users-guide-for-the-uranium-ore-reserve-calculation-system-urad },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }