@book{
  international1978iaea,
  title={Isotope Studies on Rice Fertilization},
  series={Technical Reports Series},
  number={181},
  year={1978},
  isbn={92-0-115078-4},
  url={https://www.iaea.org/publications/1282/isotope-studies-on-rice-fertilization},
  publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
  address={Vienna}
}