TY - CPAPER KW - Invited AU - Francesco Sottile BT - Frontiers in Modeling Optical Excitations in Materials CY - Chicheley Hall (UK) DA - 09/2013 PP - Chicheley Hall (UK) PY - 2013 T2 - Frontiers in Modeling Optical Excitations in Materials TI - Theoretical Description of the Dielectric Function Complementarity with Experiments ER -