TY - BOOK AU - Heins, Albert E. TI - Wave motion and vibration theory T2 - Proceedings of Symposia in Applied Mathematics, U1 - 530.14 23 PY - 1954/// CY - New York PB - McGraw-Hill KW - Wave-motion, Theory of KW - Congresses KW - Vibration N1 - Includes bibliographies and index ER -