Training materials
Authors: Joachim Wolff
and Contributors: Anatole Chessel or Dr. Bernard de Bono or Dr. Roland Schwarz or Dr. Steve Jupe or Jan Slifka or Oliver Davis or PhD BSc FSB or Yvan Le Bras
Authors: Joachim Wolff
and Contributors: Anatole Chessel or Dr. Bernard de Bono or Dr. Roland Schwarz or Dr. Steve Jupe or Jan Slifka or Oliver Davis or PhD BSc FSB or Yvan Le Bras