1. Nanotechnology Centre, VŠ B — Technical University of Ostrava, 17. listopadu 15/2172, 708 33, Ostrava-Poruba, Czech Republic Š
2. ENET — Energy Units for Utilization of Non-Traditional Energy Sources, VŠ B — Technical University of Ostrava, 17. listopadu 15/2172, 708 33, Ostrava-Poruba, Czech Republic