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Are you Bernt Spiegel, author of the books below?
The Upper Half of the Motorcycle by Bernt Spiegel Motorradtraining   Alle Tage!Das Praktische Übungsbuch Zum St... by Bernt Spiegel Milchbrüder, beide by Bernt Spiegel Milchbrüder, beide by Bernt Spiegel Die Psychologie des Motorrads by Hansjörg Znoj


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