1. Glass and Ceramic Technology Department Belarusian State Technological University Minsk Belarus
2. FunGlass Alexander Dubcek University of Trencin Trencin Slovakia
3. Joint Glass Centre of the IIC SASTnUAD, and FChFT STU Trencin Slovakia
4. Dipartmento di Ingegneria Industriale Università degli Studi di Padova Padova Italy