@book{
      international1989iaea,
      title={Isotope Techniques in the Study of the Hydrology of Fractured and Fissured Rocks},
      author={ },
      series={entity},
      number={ },
      year={1989},
      isbn={92-0-141189-8 },
      url={/publications/3660/isotope-techniques-in-the-study-of-the-hydrology-of-fractured-and-fissured-rocks },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }