AudioRadar: A Metaphorical Visualization for the Navigation of Large Music Collections. - Otmar Hilliges; Philipp Holzer; René Klüber; Andreas Butz (Smart Graphics, 2006)

Volume Painter: Geometry-Guided Volume Modeling by Sketching on the Cross-Section. - Shigeru Owada; Takahiro Harada; Philipp Holzer; Takeo Igarashi (SBIM, 2008)

EcoChallenge: a race for efficiency. - Ronald Ecker; Philipp Holzer; Verena Broy; Andreas Butz (Mobile HCI, 2011)