Zorenko, Yuriy [P:(DE-H253)PIP1009172] ; Gorbenko, V. [P:(DE-HGF)0] ; Savchyn, V. [P:(DE-HGF)0] ; Batentschuk, Miroslaw [P:(DE-H253)PIP1009357] ; Osvet, Andres [P:(DE-H253)PIP1010714] ; Brabec, C. [P:(DE-HGF)0]