Ivanyan [P:(DE-HGF)0] ; Grigoryan, Bagrat [P:(DE-H253)PIP1006410] ; Khatchataryan [P:(DE-HGF)0] ; Sargsyan [P:(DE-HGF)0] ; Grigoryan [P:(DE-HGF)0] ; Floettmann, Klaus [P:(DE-H253)PIP1002625] ; Lemery, Francois [P:(DE-H253)PIP1026175]