@book{
      international1993iaea,
      title={Isotopic and Geochemical Precursors of Earthquakes and Volcanic Eruptions (Proceedings of an Advisory Group meeting, Vienna, 9-12 September 1991)},
      author={ },
      series={entity},
      number={726 },
      year={1993},
      isbn={ },
      url={/publications/988/isotopic-and-geochemical-precursors-of-earthquakes-and-volcanic-eruptions-proceedings-of-an-advisory-group-meeting-vienna-9-12-september-1991 },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }