Training materials
Authors: Hans-Rudolf Hotz
and Contributors: Björn Grüning or Oliver Davis or PhD BSc FSB or Jan Slifka or Anatole Chessel or Frederick Carver or Martin Strauch or Jordi Rambla or Ms. Yo Yehudi or Laura Leroi
Authors: Hans-Rudolf Hotz
and Contributors: Björn Grüning or Oliver Davis or PhD BSc FSB or Jan Slifka or Anatole Chessel or Frederick Carver or Martin Strauch or Jordi Rambla or Ms. Yo Yehudi or Laura Leroi