Tobias Sturn
Sturning Technology - Real-Time Rendering of Non Photorealistic 3d Worlds. AV Akademikerverlag, July 2013.
[Image]

Elmar Eisemann, Michael Schwarz, Ulf Assarsson, Michael Wimmer
Real-Time Shadows. A.K. Peters, 2011.

Daniel Scherzer
Temporal Coherence in Real-Time Rendering. Verlag Dr. Müller, 2010.
[cover] [softShadowSampling]

Oliver Mattausch
Visibility Algorithms for Real-Time Rendering. Suedwestdeutscher Verlag fuer Hochschulschriften, 2010.

Ralf Habel
Real-time Rendering and Animation of Vegetation: Advances in displaying vegetation for interactive applications. Suedwestdeutscher Verlag fuer Hochschulschriften, 2009.