@book{
      international2009iaea,
      title={Management of Agroforestry Systems for Enhancing Resource Use Efficiency and Crop Productivity},
      author={ },
      series={entity},
      number={1606 },
      year={2009},
      isbn={978-92-0-150909-3 },
      url={/publications/8181/management-of-agroforestry-systems-for-enhancing-resource-use-efficiency-and-crop-productivity },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }