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.