Training materials
Authors: Hans-Rudolf Hotz
and Contributors: Anton Nekrutenko or Björn Grüning or Eija Korpelainen @eija, ekorpelainen@gmail.com or Roland Krause
Authors: Hans-Rudolf Hotz
and Contributors: Anton Nekrutenko or Björn Grüning or Eija Korpelainen @eija, ekorpelainen@gmail.com or Roland Krause