The Hubbard model with orbital degeneracy and in polarizable media / Jeroen Gregorius Johannes van den BrinkX-ray diffraction and X-ray absorption of strained CoO and MnO thin films / door Szilard Istvan CsiszarOrbital order and magnetoelectric coupling in manganites and jarosites / Arend Johannes Cornelus BuurmaCorrelations between charge, orbital, and spin degrees of freedom in magnetic competing systems / Ismudiati Puri HandayaniCorrelations between charge, orbital, and spin degrees of freedom in magnetic competing systems / Ismudiati Puri HandayaniA search for interference phenomena in intersystem crossing and phosphorescence / door Cornelis Jacobus Nonhof