Training materials
Max age: 24 hours
and Authors: Björn Grüning or Eija Korpelainen or Lars Juhl Jensen or Sarah Peter
and Contributors: Björn Grüning or Celia van Gelder or Erik Hjerde or Manimozhiyan Arumugam or Marek Suchanek or Melanie Foell or Ms. Yo Yehudi or Nils Peder Willassen