Stefan Hirtbach

Software in the City: Visual Guidance Through Large Scale Software Projects

Andreas Steinmetzler, Bodo Kraft, Marc Schreiber, 2013, Software Engineering.

Receiving Recommendations and Providing Feedback: The User-Experience of a Recommender System

Bart P. Knijnenburg, Martijn C. Willemsen, Stefan Hirtbach, 2010, EC-Web.