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 | |  | Lexikon den praktischen Baumbiologie | Autor: Andreas Roloff |
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 | Autoren: Tony Rodd | Jennifer Stackhouse |  | Autoren: Uwe Kühn | Stefan Kühn | Bernd Ullrich |
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 | Autoren: Andreas Roloff, Horst Weisgerber, Ulla Lang, Bernd Stimm |  | |
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 | |  | Autoren: S. Kühn | B. Ullrich | U. Kühn |
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