@book{
      international2019iaea,
      title={World Thorium Occurrences, Deposits and Resources},
      author={ },
      series={entity},
      number={1877 },
      year={2019},
      isbn={978-92-0-103719-0 },
      url={/publications/13550/world-thorium-occurrences-deposits-and-resources },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }