Training materials
Difficulty level: Not specified
and Authors: Wolfgang Maier or Youri Hoogstrate
and Contributors: Björn Grüning or Celia van Gelder or Manimozhiyan Arumugam or Marek Suchanek or Marek Vrbacky or Nils Peder Willassen or Prof. Maya Topf or Rami Krispin or Sarah Morgan