Newsroom
October 17, 2013
Tophotel
October 08, 2013
Tophotel
August 02, 2013
ARD Mittagsmagazin
October 08, 2013
Die Zeit
September 26, 2013
Welt
September 26, 2013
Rheinische Post
September 16, 2013
Handelsblatt
August 30, 2013
Standard.at
June 11, 2013
Reviewzine
August 08, 2013
AHGZ