Frankfurter Buchmesse: E-Book-Markt im Umbruch | heise online

http://m.heise.de/newsticker/meldung/Frankfurter-Buchmesse-E-Book-Markt-im-Umbruch-2844082.html

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First saved: 2015-Oct-13 (Tue)
Last checked: 2015-Oct-27 (Tue), response 200