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1Published 2008Other Authors: “…Dittler, Siegfried…”
Classmark: BK3b Herne/Flottmann-Hallen BG-Hb 0210/2009GBook -
2by Vogelgesang, KlausOther Authors: “…Dittler, Siegfried…”
Published 2015
Classmark: BK2 Vogelgesang, Klaus BG-Hb 0447/2022GBook