1. C. Kittel, Introduction to Solid State Physics, 7th edn. (Wiley, New York, 1996)
2. C. Kittel, Quantum Theory of Solids (Wiley, New York, 1963)
3. J. Callaway, Quantum Theory of the Solid State, vol. 2 (Academic, New York, 1974)
4. W.A. Harrison, Electronic Structure and the Properties of Solids; The Physics of the Chemical Bond (W.H. Freeman, San Francisco, 1980)
5. M. Cardona, Optical properties and band structure of germanium and zincblende-type semiconductors, in Proceedings of International School of Physics$$\ll $$Enrico Fermi$$\gg $$ (Academic, New York, 1972) pp. 514–580