1. NMR AND IR INVESTIGATION OF ALUMINOSILICATE GLASSES AS COMPONENTS OF DENTAL MATERIALS. Authors: S. SIMON, M. VASILESCU, M. MOLDOVAN, VIORICA SIMON.2. THE INTERNATIONAL INTERCOMPARISON MEASUREMENT OF SOIL-GAS RADON AND RADON EXHALATION RATE FROM THE GROUND AND BUILDING MATERIALS. Authors: C. COSMA, M. MOLDOVAN, D. RISTOIU, T. JURCUT.3. RADIUM-226 MEASUREMENTS FROM UNDERGROUND WATERS IN DEJ AREA. Authors: M. MOLDOVAN, C. COSMA, D. RISTOIU.4. ANTHOCYAN EXTRACTION FROM VACCINIUM MYRTILLUS FRUITS USING DIFFERENT EXTRACTION TECHNIQUES AND SPECTROPHOTOMETRIC AND TLC QUANTIFICATION. Authors: C. COBZAC, N.K. OLAH, C. BATIU, M. MOLDOVAN, S. GOCAN.5. EXTRACTION EFFICIENCY OF FLAVONOIDS FROM VACCINIUM MYRTILLUS L LEAVES USING DIFFERENT EXTRACTION TECHNIQUES AND SPECTORPHOTOMETRIC QUANTIFICATION. Authors: C. COBZAC, M. MOLDOVAN, N.K. OLAH, S. GOCAN.