TY - CPAPER KW - Invited AU - Lucia Reining BT - DoE Workshop Theories of Excited States in Molecules and Nanostructures, Baltimore (USA) DA - 06/13-14 PY - 2010 T2 - DoE Workshop Theories of Excited States in Molecules and Nanostructures, Baltimore (USA) TI - Bethe Salpeter \& GW ER -