Miscellaneous docs
- "Quasiparticle calculations in solids"
by Aulbur WG, Jonsson L, Wilkins JW, in Solid State Physics 54, 1-218 (2000) - - "First-principles study of the nonlinear response of insulators to electric fields: applications to ferroelectric oxides"
by M. Veithen, PhD thesis, Université de Liège, Belgium (2005)