Training materials
Licence: Creative Commons Attribution Non Commercial No ...
and Authors: Anika Erxleben or Martin Hubalek or Martin Čech or Melanie Foell or Sarah Peter
and Contributors: Björn Grüning or Celia van Gelder or Dr. Roland Schwarz or Jamie Edwards or Jan Slifka or Manimozhiyan Arumugam or Marek Vrbacky