You can either download the .ggb file alone or the complete webpage for students with tasks.
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Andreas Lindner 30 November 2014 - 17:28
7 March 2018 - 13:59 34 resources — SAVASORHAN
21 January 2018 - 05:55 63 resources — rutzinger@web.de
12 November 2015 - 14:57 33 resources — Dagmar Hochhauser
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6 April 2015 - 17:23 34 resources — Lindner