Layer, G. ; Delorme, S. [P:(DE-He78)3e76653311420a51a5faeb80363bd73e] ; Schlemmer, H-P [P:(DE-He78)3d04c8fee58c9ab71f62ff80d06b6fec] ; Semmler, Wolfhard [P:(DE-He78)8354679bf4f1b32938e4abbac66bbd9b]