TY - BOOK AU - Achenbach,J.D. TI - Wave propagation in elastic solids SN - 0444104658 : U1 - 531.33 PY - 1973/// CY - Amsterdam PB - North-Holland Publ Com KW - Elastic solids KW - Wave-motion, Theory of KW - Motion KW - Harmonic motion N1 - Includes bibliographical references and index ER -