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Bonn: Bouvier, 1998
Viet, Hans E.
[Other];
Schrott, Harald
[Other];
Schütz, Bernhard
[Other];
Behrendt, Klaus J.
[Other];
Blumenberg, Hans C.
[Other];
Petersen, Detlef
[Other];
Kotowski, Konrad
[Other]