German UPA
Conference Proceedings
Brau, Henning, Lehmann, Andreas, Petrovic, Kostanija, Schroeder, Mathias (eds.) Usability Professionals September 8-11, 2013, Bremen, Germany.
Brau, Henning, Lehmann, Andreas, Petrovic, Kostanija, Schroeder, Matthias (eds.) Mensch and Computer September 11-14, 2011, Chemnitz.
Brau, Henning, Lehmann, Andreas, Petrovic, Kostanija, Schroeder, Matthias (eds.) Usability Professionals 2011 September 11-14, 2011, Chemnitz.
Brau, Henning, al., et (eds.) Jahresband Usability Professionals 2011 , 2011, Chemnitz, Germany.