1. APPLICATIONS OF DIRECT VOLTAMETRY IN THE STUDY OF HIGH TEMPERATURE SUPRACONDUCTOR / REDOX ELECTROLYTE INTERFACE. Authors: I.O. MARIAN, E. PAPADOPOL, S. BORCA, NICOLAE BONCIOCAT.2. NANO- AND MICROPARTICLE DISTRIBUTION ON SOLID AND FLEXIBLE SUBSTRATES – PART II. Authors: D. MANCIULA, S. GRÄTER, T. BUREK, I.O. MARIAN, BARBU-RADU-HORAŢIU MIŞCA.3. STUDY OF SOME CLAY MINERALS USED IN ELECTRODE MAKING WITH APPLICATION IN ENVIRONMENT CHEMISTRY. Authors: GH. VASILIE, R. SANDULESCU, CECILIA CRISTEA, ANA MARIAN, I.O. MARIAN.