Zelenakova, Adriana [P:(DE-H253)PIP1011431] ; Zelenak, Vladimir [P:(DE-H253)PIP1008181] ; Bednarcik, Jozef [P:(DE-H253)PIP1005870] ; Hrubovcak, Pavol [P:(DE-H253)PIP1016343] ; Kováč, Jozef [P:(DE-HGF)0]