Fast and Accurate Ray-Voxel Intersection Techniques for Iso-Surface Ray Tracing. - Gerd Marmitt; Andreas Kleer; Ingo Wald; Heiko Friedrich; Philipp Slusallek (VMV, 2004)

Faster Isosurface Ray Tracing Using Implicit KD-Trees. - Ingo Wald; Heiko Friedrich; Gerd Marmitt; Philipp Slusallek; Hans-Peter Seidel (IEEE Trans. Vis. Comput. Graph., 2005)

Interactive Volume Rendering with Ray Tracing. - Gerd Marmitt; Heiko Friedrich; Philipp Slusallek (Eurographics (State of the Art Reports), 2006)

Exploring the use of ray tracing for future games. - Heiko Friedrich; Johannes Günther 001; Andreas Dietrich 001; Michael Scherbaum; Hans-Peter Seidel; Philipp Slusallek (Sandbox@SIGGRAPH, 2006)

Ray Tracing Animated Scenes using Motion Decomposition. - Johannes Günther 001; Heiko Friedrich; Ingo Wald; Hans-Peter Seidel; Philipp Slusallek (Comput. Graph. Forum, 2006)

Interactive ray tracing of skinned animations. - Johannes Günther 001; Heiko Friedrich; Hans-Peter Seidel; Philipp Slusallek (Vis. Comput., 2006)

Interactive Iso-Surface Ray Tracing of Massive Volumetric Data Sets. - Heiko Friedrich; Ingo Wald; Johannes Günther 001; Gerd Marmitt; Philipp Slusallek (EGPGV, 2007)

Interactive Isosurface Ray Tracing of Time-Varying Tetrahedral Volumes. - Ingo Wald; Heiko Friedrich; Aaron Knoll; Charles D. Hansen (IEEE Trans. Vis. Comput. Graph., 2007)

Efficient CPU-based Volume Ray Tracing Techniques. - Gerd Marmitt; Heiko Friedrich; Philipp Slusallek (Comput. Graph. Forum, 2008)

Spatial splits in bounding volume hierarchies. - Martin Stich; Heiko Friedrich; Andreas Dietrich 001 (High Performance Graphics, 2009)

OptiX: a general purpose ray tracing engine. - Steven G. Parker; James Bigler; Andreas Dietrich 001; Heiko Friedrich; Jared Hoberock; David P. Luebke; David K. McAllister; Morgan McGuire; R. Keith Morley; Austin Robison; Martin Stich (ACM Trans. Graph., 2010)

Ray tracing techniques for computer games and isosurface visualization. - Heiko Friedrich (2012)

GPU ray tracing. - Steven G. Parker; Heiko Friedrich; David P. Luebke; R. Keith Morley; James Bigler; Jared Hoberock; David K. McAllister; Austin Robison; Andreas Dietrich 001; Greg Humphreys; Morgan McGuire; Martin Stich (Commun. ACM, 2013)

Integrating matching services into the Web of Needs. - Heiko Friedrich; Florian Kleedorfer; Soheil Human; Christian Huemer (SEMANTiCS (Posters, Demos, SuCCESS), 2016)

Web of Needs: A Process Overview. - Florian Kleedorfer; Soheil Human; Heiko Friedrich; Christian Huemer (SEMANTiCS (Posters, Demos, SuCCESS), 2016)

Agreements in a Decentralized Linked Data Based Messaging System. - Florian Kleedorfer; Heiko Friedrich; Christian Huemer (DeSemWeb@ISWC, 2017)