1. See, for example, Born, M. and Huang, K., Dynamical Theory of Crystal Lattice. Oxford University Press, London, 1954.
2. Lattice dynamics with indirect ionic interactions
3. Electronic Polarizabilities and Photoelastic Behaviour of Ionic Crystals
4. See, for instance, Cochran, W., Crit. Rev. Solid State Sci., 1971, 2, 1 or Singh, R.K., Phys. Rep., 1982, 85, 259.
5. Theory of the vibrations of the sodium chloride lattice