1. M. Born, K. Huang: Dynamical Theory of Crystal Lattices (Oxford Univ. Press, London 1954)
2. K.K. Rebane: Impurity Spectra of Solids (Plenum, New York 1970)
3. I.B. Bersuker, V.Z. Polinger: Vibronic Interactions in Molecules and Crystals (Nauka, Moscow 1983) [English transi.: Springer Ser. Chem. Phys., Vol. 49 (Springer, Berlin, Heidelberg 1989)]
4. E.E. Nikitin, S. Ya. Umanskiĭ: Theory of Slow Atomic Collisions, Springer Ser. Chem. Phys., Vol. 30 (Springer, Berlin, Heidelberg 1984) V.N. Kondrat’ev, E.E. Nikitin: Kinetics and Mechanism of Gas-Phase Reactions (Nauka, Moscow 1974) Chap. 3 (in Russian)
5. M.S. Child: Molecular Collision Theory (Academic, New York 1974)