You can either download the .ggb file alone or the complete webpage for students with tasks.
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Martin Putzlocher 9 January 2015 - 00:48
14 June 2019 - 10:08 15 resources — ArnoldSchoenbichler
21 March 2019 - 15:48 13 resources — lololix
7 February 2018 - 05:12 13 resources — rutzinger@web.de
18 May 2016 - 11:55 13 resources — Brucklee85