1. STRUCTURAL INVESTIGATION OF Fe2O3 - P2O5-MO (MO CaO or Li2O) GLASS SYSTEMS BY FTIR SPECTROSCOPY. Authors: C. ANDRONACHE, P. PĂŞCUŢĂ, I. ARDELEAN.2. MAGNETIC SUSCEPTIBILITY INVESTIGATION OF IRON IONS IN 3B2O3KCL GLASS MATRIX. Authors: I. ARDELEAN, P. PĂŞCUŢĂ.3. EPR AND MAGNETIC SUSCEPTIBILITY DATA ON MNO-B2O3-AS2O3 GLASSES. Authors: I. ARDELEAN, M. PETEANU, R. CICEO-LUCACEL, P. PĂŞCUŢĂ, M. FLORA.4. ELECTRICAL BEHAVIOUR OF FE2O3 - B2O3 - CAO GLASSES. Authors: I. ARDELEAN, P. PĂŞCUŢĂ.