1. STUDIES ON WO3 THIN FILMS PREPARED BY DIP-COATING METHOD. Authors: ECATERINA BICA, LAURA ELENA MUREŞAN, LUCIAN BARBU TUDORAN, EMIL INDREA, IONEL CĂTĂLIN POPESCU, ELISABETH-JEANNE POPOVICI.2. PREPARATION AND CHARACTERIZATION OF MANGANESE DOPED ZINC SULPHIDE NANOCRYSTALLINE POWDERS WITH LUMINESCENT PROPERTIES. Authors: ADRIAN-IONUŢ CADIŞ, ADRIAN RAUL TOMŞA, ECATERINA BICA, LUCIAN BARBU TUDORAN, LUMINIŢA SILAGHI-DUMITRESCU, ELISABETH-JEANNE POPOVICI.3. SYNTHESIS OF TUNGSTEN TRIOXIDE MESOPOROUS POWDERS PREPARED BY INORGANIC SOL-GEL ROUTE. Authors: IONEL CĂTĂLIN POPESCU, IOANA PERHAITA, MARIA ŞTEFAN, ELISABETH-JEANNE POPOVICI, ECATERINA BICA.4. SPECTROSCOPIC AND STRUCTURAL CHARACTERISATION OF SiO2 -Y2O3 BASED MATERIALS WITH LUMINESCENT PROPERTIES. Authors: EMIL INDREA, MARIUS MORAR, ADRIAN-IONUŢ CADIŞ, ECATERINA BICA, ELISABETH-JEANNE POPOVICI, LAURA ELENA MUREŞAN.5. STUDIES ON THE SYNTHESIS OF MANGANESE DOPED ZINC SULPHIDE NANOCRYSTALLINE POWDERS. Authors: LUCIAN BARBU TUDORAN, ECATERINA BICA, ELISABETH-JEANNE POPOVICI, ADRIAN-IONUŢ CADIŞ.