@book{
      international1977iaea,
      title={Well Scintillation Counting Systems for Nuclear Medicine Applications in Developing Countries (Vienna, 23-25 May 1977)},
      author={ },
      series={entity},
      number={201 },
      year={1977},
      isbn={ },
      url={/publications/450/well-scintillation-counting-systems-for-nuclear-medicine-applications-in-developing-countries-vienna-23-25-may-1977 },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }