Bullen, K. E. 1906- An introduction to the theory of seismology / by K.E. Bullen. - 3rd ed. - Cambridge : Cambridge University Press, 1963 [reprinted 1976]. - viii, 381 p. : ill. ; 23 cm. Previous ed.: 1953. Bibliography: p. 329-361. - Includes index. ISBN: 0521043670 (hbk) 0521296862 (pbk) Subjects--Topical Terms: Seismology. Dewey Class. No.: 551.22 / BUI 1976