@book{
      international1990iaea,
      title={Studies on the Reproductive Efficiency of Cattle Using Radioimmunoassay Techniques},
      author={ },
      series={entity},
      number={ },
      year={1990},
      isbn={92-0-111590-3 },
      url={/publications/3697/studies-on-the-reproductive-efficiency-of-cattle-using-radioimmunoassay-techniques },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }