Affiliation: | 1. Department of Glass and Ceramics, Institute of Chemical Technology, Technicka 5, Prague CZ-166 28, Czech Republic;2. Vitrum Laugaricio – Joint Glass Center of Institute of Inorganic Chemistry SAS, Alexander Dubcek University of Trencin and RONA Lednicke Rovne, Studentska 2, Trencin SK-911 50, Slovak Republic |