You can either download the .ggb file alone or the complete webpage for students with tasks.
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Andreas Lindner November 19, 2014 - 9:34 AM
August 31, 2017 - 6:53 PM 5 resources — georg.gross
March 21, 2015 - 3:13 PM 6 resources — edda
February 10, 2015 - 9:01 AM 7 resources — tina.landl
December 18, 2016 - 7:57 AM 17 resources — Lindner