Farbenkreis – “Vergolder”, 1 – 2/ 2008 issue
Forschen und Entdecken – “Innovation”, June 2011 issue
Krone – Newspaper supplement of 20 June 2011
Wiener Wirtschaft – “Seltenes Handwerk”, June 2011 issue
Farbenkreis – “Vergolder”, 1 – 2/ 2008 issue
Forschen und Entdecken – “Innovation”, June 2011 issue
Krone – Newspaper supplement of 20 June 2011
Wiener Wirtschaft – “Seltenes Handwerk”, June 2011 issue