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Europ. Centre on Prevention and Forecasting of Earthquakes &
Europ.-Mediterranean Seismol. Centre
In:
Proc. Int. Conf. Earthquake Predict., Strasbourg, Athens/Strasbourg, Europ.
Centre on Prevention and Forecasting of Earthquakes & Europ.-Mediterranean
Seismol. Centre, vol. 10, no. 23, pp. 444-453, (ISBN 0 08 042822 3)