1. There are severals review books and articles on the density-functional theory: (a) Theory of the Inhomogeneous Electron Gas, S. Lundqvist and N. H. March (eds.) ( Plenum, New York, 1983 ).
2. R. M. Dreizier and J. da Providencia, (eds.) Density Functional Methods in Physics, NATO ASI Series B, Vol. 123 ( Plenum, New York, 1985 )
3. R. O. Jones and O. Gunnarson, Rev. Mod. Phys. 61, 689 (1989)
4. R. M. Dreizier and E. K. U. Gross, Density-Functional Theory ( Springer, Berlin etc., 1990 )
5. E. K. U Gross and R. M. Dreizier (eds.), Density Functional Theory, NATO ASI Series B, Vol. 337 ( Plenum, New York, 1995 )