Tygel, Martin. Transient waves in layered media/ M. Tygel and P. Hubral. - Amsterdam: New York: Elsevier, 1987. - xii, 329 p.: ill.; 26 cm. - Methods in geochemistry and geophysics; 26. . Includes index. Bibliography: p. 319-325. ISBN: 0444428089 (U.S.) : LCCN: 87009125 Subjects--Topical Terms: Wave-motion, Theory of-Acoustic surface waves.Wave equation--Numerical solutions.Green's functions. Dewey Class. No.: 531.1133 / T979t