1. RAMAN IMAGING INVESTIGATION ON PAA-CLOTRIMAZOLE SYSTEM. Authors: MIHAI TODICA, SIMION AŞTILEAN, TRAIAN ŞTEFAN, CORNEL-VIOREL POP.2. XRD AND IR INVESTIGATIONS OF SOME COMMERCIAL POLYSTYRENE SAMPLES THERMALLY DEGRADED. Authors: CARMEN NICULĂESCU, LOREDANA OLAR, RĂZVAN STEFAN, MIHAI TODICA, CORNEL-VIOREL POP.