1. EPR OF CR3+ IONS IN SOME BORATE VITREOUS SYSTEMS. Authors: M. PETEANU, N. MURESAN, RALUCA CICEO-LUCACEL, I. ARDELEAN.2. EPR AND MAGNETIC SUSCEPTIBILITY STUDIES OF 70TEO2-25B2O3-5SRO GLASSES CONTAINING CR3+ IONS. Authors: I. ARDELEAN, M. PETEANU, N. MURESAN.3. EPR INVESTIGATION OF THE FE2O3-BI2O3-PBO-AS2O3 GLASS SYSTEM. Authors: M. PETEANU, C. BORŞA, I. ARDELEAN.4. EPR AND MAGNETIC SUSCEPTIBILITY DATA ON MNO-B2O3-AS2O3 GLASSES. Authors: I. ARDELEAN, M. PETEANU, R. CICEO-LUCACEL, P. PĂŞCUŢĂ, M. FLORA.