Husebye Eystein S Ed. Proceeding on identification of seismic sources-earthquakes or undergound explosion - Holland D Reidal Publishing 1980 - 876p. cm. - Nato advanced study institute series on mathematical and physical sciences; 74 . Standard No.: 49155 Source: Textual Subjects--Topical Terms: EarthquakesGeology Dewey Class. No.: H4132p1,N80, M0