@book{
      international1997iaea,
      title={Sewage Sludge and Wastewater for Use in Agriculture},
      author={ },
      series={entity},
      number={971 },
      year={1997},
      isbn={ },
      url={/publications/5626/sewage-sludge-and-wastewater-for-use-in-agriculture },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }