1. 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.