Berkhout A J Seismic migration: imaging of a coustic energy by wave field extrapolation - Amsterdam Elsevier Publication 1980 - xii, 339p. cm. - Development in solidearth Geophysics; 12 . Standard No.: 48800 Source: Textual Subjects--Topical Terms: EarthquakeGeology Dewey Class. No.: H4132, M0