1. IN DEPTH VARIATION OF WATER PROPERTIES FOR St. ANA LAKE – ROMANIA RELATED TO SEDIMENTS IN SUSPENSION. Authors: GEORGE ARGHIR, DUMITRU RISTOIU, CLAUDIA TOMA, NELI-KINGA OLAH, RAMONA FLAVIA CÂMPEAN.2. CHARACTERIZATION OF ORTHOSIPHON STAMINEUS BENTH EXTRACTS BY REVERSED-PHASE THIN LAYER CHROMATOGRAPHIC METHODS. Authors: SIMION GOCAN, SIMONA CODRUȚA AURORA COBZAC, ANDREEA BRAȘOVAN, ELISABETA CHIȘE, CLAUDIU MORGOVAN, CLAUDIA TOMA, RADU OPREAN, EDE BODOKI, DANIELA HANGANU, NELI-KINGA OLAH.