1. BACTERIAL AND ENZYMATIC POTENTIAL OF THE EXPERIMENTAL PLOTS INSTALLED ON THE IRON MINE SPOILS IN IARA (CLUJ COUNTY). Authors: VASILE MUNTEAN, GHEORGHE GROZA.2. PHYTOSOCIOLOGICAL STUDY OF THE SWAMP FROM TÂRSA BĂLCEŞTILOR (VĂLENILOR), CLUJ COUNTY. Authors: GHEORGHE GROZA, PAVEL-DAN TURTUREANU.