1
Book
2
Published: Ulm : Klemm & Oelschläger, 2003
Book
3
Book
4
Published: Berlin : Metropol, 2011
Book
5
Published: Berlin : Metropol, 2011
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6
Published: Göttingen : Wallstein, 2022
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8
Published: Göttingen : Wallstein, 2021
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