@book{
  international1986iaea,
  title={Nuclear Techniques in the Development of Fertilizer Practices for Multiple Cropping Systems (Summary of the Results of the 5-year FAO/IAEA Co-ordinated Research Programme, 1980-1985)},
  series={TECDOC Series},
  number={394},
  year={1986},
  url={https://www.iaea.org/publications/649/nuclear-techniques-in-the-development-of-fertilizer-practices-for-multiple-cropping-systems-summary-of-the-results-of-the-5-year-faoiaea-co-ordinated-research-programme-1980-1985},
  publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
  address={Vienna}
}