TY - CPAPER KW - Invited AU - Lucia Reining BT - Workshop Applications of the Bethe-Salpeter Equation, Houffalize (Belgium) DA - 09 PY - 2006 T2 - Workshop Applications of the Bethe-Salpeter Equation, Houffalize (Belgium) TI - Many-Body Perturbation Theory and Density-Functional approaches: successful combinations ER -