1. Landau-Lifshitz: Theory of Elasticity (Addison-Wesley, 1959)
2. R. Truell, C. Elbaum, B. Chick: Ultrasonic Methods in Solid State Physics (Academic Press, 1969)
3. R.T. Beyer, S.V. Letcher: Physical Ultrasonics (Academic Press, 1969)
4. D.C. Wallace: Thermodynamics of crystals (John Wiley & Sons, 1972)
5. W. Ludwig: Festkörperphysik (Akad. Verlagsgesellschaft, 1978)