1. Ashcroft, N.W. and Mermin, N.D. (1976) Solid State Physics, Holt Rinehart and Winston, New York.
2. Kittel, C. (1996) Introduction to Solid State Physics, Wiley, New York.
3. Harrison, W.A. (1980) Electronic Structure and the Properties of Solids: The Physics of the Chemical Bond, W.H. Freeman and Company, San Francisco.
4. Mehl, M.J., Cohen, R.E., and Krakauer, H. (1988) Linearized Augmented Plane Wave electronic structure calculations for MgO and CaO, J. Geophys. Res.
93, 8009–8022; Correction: 94, 1977, 1989.
5. Taurian, O.E., Springborg, M. and Christensen, N.E. (1985) Self-consistent electronic structures of MgO and SrO, Solid State Comm., 55, 351–355.