1. Müller, K.A. Proc. NATO Advanced Study Institute on “Anharmonic Lattices, Structural Transitions and Melting”. Ustaoset, Norway. Edited by: Riste, T. (to be published)
2. Garland, C.W. 1970.Physical Acoustics, Edited by: Mason, W.P. and Thurston, R.N. Vol. vii, 51–51. New York: Academic Press.
3. Sound propagation near magnetic phase transitions
4. Ferroelectric phase transitions: A review of theory and experiment