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Are you Christian Holler, author of the books below?
Erneuerbare Energien zum Verstehen und Mitreden by Christian Holler Erneuerbare Energien - ohne heisse Luft by Christian Holler Erneuerbare Energien by Christian Holler The Making of Simon Leung, Dorit Margretter, Nils Norman, Mat... by Christian Holler The making of --- abcde by Christian Holler Martin Beck by Maria Stadler Generating Software Tests by Andreas Zeller Josephine Meckseper by Okwui Enwezor


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