Krech, Eva-Maria; Stock, Eberhard; Hirschfeld, Ursula; Anders, Lutz Christian (2009). Deutsches Aussprachewörterbuch [German Pronunciation Dictionary] (in German). Berlin: Walter de Gruyter. pp. 567, 744. ISBN978-3-11-018202-6.
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"Player Profile". www.hanover96.com. Archived from the original on 14 September 2013. Retrieved 14 September 2013.