Tygel, M. Transient waves in layered media M. Tygel and Peter Hubral - Amsterdam Elsevier 1987 - vii+329p. illus; index; refs - Methods in Geochemistry and Geophysics; No. 26 . ISBN: 0-444-42808-9 Subjects--Topical Terms: Acoustic Surface Waves Universal Decimal Class. No.: 534.2 / TYG