1. SPECTRAL-SAR: OLD WINE IN NEW BOTTLE. Authors: MIHAI V. PUTZ, ANA-MARIA PUTZ.2. FRACTAL SURFACE MAGHEMITE NANOPARTICLES PREPARED BY CO-PRECIPITATION: THE INFLUENCE OF IRON CONCENTRATION AND BASE NATURE. Authors: ROXANA NICOLA (CRIŞAN), OTILIA COSTIŞOR, CĂTĂLIN IANĂŞI, RADU LAZĂU, LIVIU SĂCĂRESCU, DANIEL NIŽŇANSKÝ, AUREL ERCUŢA, ANA-MARIA PUTZ, CECILIA SAVI.3. MORPHO-TEXTURAL AND FLUORESCENCE STUDIES ON SIO2 AND SIO2@Ce3+. Authors: ELENA-MIRELA PICIORUȘ, CĂTĂLIN IANĂȘI, ROXANA NICOLA, PAULA SFÎRLOAGĂ, PAULA SVERA, ANA-MARIA PUTZ.