Berkhout A J Seismic migration: imaging of acourtic energy by wave field extrapalation - Amsterdam Elsevier Publications 1980 - xii, 339p. cm. - Development in solid earth geophysics; 12 . Standard No.: 48801 Source: Textual Subjects--Topical Terms: EarthquakeGeology Dewey Class. No.: H4132, M0-;1