Jurgen Georg Backhaus (EDT)
(7)
Jurgen Backhaus (EDT)/ Gunther Chaloupek (EDT)/ Hans Frambach (EDT)
(1)
Jurgen Backhaus (EDT)/ Gther Chaloupek (EDT)/ Hans Frambach (EDT)
(1)
Jurgen G. Backhaus (EDT)/ Richard E. Wagner (EDT)
(1)
Jurgen Georg Backhaus/ Wolfgang Drechsler (EDT)
(1)