Visual Support for Keyword Search in Elektronic Documents. - Stefan Schlechtweg; Petra Schulze-Wollgast; Heidrun Schumann (SimVis, 2004)

Interactive Treemaps With Detail on Demand to Support Information Search in Documents. - Stefan Schlechtweg; Petra Schulze-Wollgast; Heidrun Schumann (VisSym, 2004)

3D Information Visualization for Time Dependent Data on Maps. - Christian Tominski; Petra Schulze-Wollgast; Heidrun Schumann (IV, 2005)

Enhancing Visual Exploration by Appropriate Color Coding. - Petra Schulze-Wollgast; Christian Tominski; Heidrun Schumann (WSCG (Full Papers), 2005)