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when toggle format what by license comment
Jun 5, 2016 at 8:43 vote accept Edwin Beggs
Jun 5, 2016 at 8:43 comment added Edwin Beggs Thanks! That is a useful reference. My German may not be up to the second one...
Jun 4, 2016 at 22:43 history edited Pedro Lauridsen Ribeiro CC BY-SA 3.0
Added remark on applications
Jun 4, 2016 at 22:25 history answered Pedro Lauridsen Ribeiro CC BY-SA 3.0