1. CREATIVITY AND TIME IN THE WORK OF N. BERDYAEV. Authors: IOAN MĂRGINEAN.2. PHOTOMETRIC DETERMINATION OF BIURET IN MELTED UREA USING FLOW INJECTION ANALYSIS. Authors: FRENŢIU TIBERIU, MICHAELA PONTA, EUGEN DARVASI, LADISLAU KÉKEDY-NAGY, IOAN MĂRGINEAN, EMIL A. CORDOŞ.