1. CHARACTERISATION OF OXIDIC MATERIALS WITH LUMINESCENT PROPERTIES. Authors: LAURA UNGUR, ELISABETH-JEANNE POPOVICI, MARIA VĂDAN, LIGIA PASCU, MARILENA VASILESCU, M. NAZAROV.2. STUDIES ON THE INFLUENCE OF FLUX NATURE ON THE PROPERTIES OF NIOBIUM ACTIVATED YTTRIUM TANTALATE PHOSPHOR. Authors: AMALIA MESAROS, ELISABETH-JEANNE POPOVICI, LAURA MUREŞAN, MARIA ŞTEFAN, RODICA GRECU , MARILENA VASILESCU.