@book{
      international1975iaea,
      title={Root Activity Patterns of Some Tree Crops},
      author={ },
      series={entity},
      number={170 },
      year={1975},
      isbn={92-0-115175-6 },
      url={/publications/1271/root-activity-patterns-of-some-tree-crops },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }