1. VALIDATION OF AN ALTERNATIVE METHOD FOR TOTAL NITROGEN ANALYSIS IN WATER SAMPLES. Authors: ZOLTÁN TÖRÖK, IRINA SMICAL, ADRIANA MUNTEAN.2. STUDY REGARDING THE PRESENCE OF SOME HEAVY METALS (CHROMIUM, COPPER, MANGANESE AND ZINC) IN THE GREEN WASTE COMPOST. Authors: ZOLTÁN TÖRÖK, VALER MICLE, ADRIANA MUNTEAN, IRINA SMICAL.3. RESEARCH ON THE HEAVY METALS IN SURFACE SEDIMENTS, IN STRÂMTORI-FIRIZA RESERVOIR, SITUATED IN N-W OF ROMANIA. Authors: IRINA SMICAL, ADRIANA MUNTEAN, DAN CIURTE, VALER MICLE.