book: Conceptual Foundations of Materials, chapters 1, 2, 4. abstracts
Ann E Mattsson et al., Modelling Simul. Mater. Sci. Eng. 13 R1 (2005) abstract
Martin Head-Gordon and Emilio Artacho, "Chemistry on the computer," Physics Today (2008) article
Andrew Zangwill, "A half century of density functional theory," Physics Today (2015) article
R. O. Jones, "Density Functional Theory: Past, present, ... future?" (2014) from Psi-K newsletter
Fernando Nogueira, Alberto Castro, and Miguel A. L. Marques, "A Tutorial on Density Functional Theory," from Springer DFT book, some practical details about calculations