Hybrid Transparency
Marilena Maule, Rafael P. Torchelsen, Rui Bastos, Joao L. D. Comba
ACM Siggraph Interactive 3D Graphics and Games - I3D 2013 (to appear)

Memory-Efficient Order-Independent Transparency with Dynamic Fragment Buffer
Marilena Maule, Rafael P. Torchelsen, Rui Bastos, Joao L. D. Comba
25th SIBGRAPI Conference on Graphics, Patterns and Images (SIBGRAPI), 2012

Transparency and Anti-Aliasing Techniques for Real-Time Rendering
Marilena Maule, Rafael P. Torchelsen, Rui Bastos, Joao L. D. Comba
Tutorials, 25th SIBGRAPI Conference on Graphics, Patterns and Images

Geodesic-Driven Visual Effects over Complex Surfaces
Guilherme Oliveira, Rafael Torchelsen, Joao Comba, Marcelo Walter, Rui Bastos
The Visual Computer. DOI: 10.1007/s00371-011-0615-6

A Survey of Raster-Based Transparency Techniques
Marilena Maule, Rafael P. Torchelsen, Rui Bastos, Joao L. D. Comba
Computers & Graphics. DOI: 10.1016/j.cag.2011.07.006

Why Not With The Foot ?
Erivaldo Filho, Mateus Nunes, Luciana Nedel, Joao L. D. Comba
X Simposio Brasileiro de Games e Entretenimento DIgital - SBGAMES 2011

Practical Geometry Clipmaps for Rendering Terrains in Computer Games
R.P. Torchelsen, Comba, J.L.D.; R. Bastos.
In Shader X6: Advanced Rendering. Pages 103-114. Editor Wolfgang Engel. Charles River Media, 2008. 

A Sketch-based Interface to Real-time Strategy Games Based on a Cellular Automaton
C.A.Dietrich, J.L.D. Comba, L.P.Nedel
In Game Programming Gems 7. Charles River Media, 2008. Editor Scott Jacobs. Pages 59-68. ISBN 9781584505273.

Storing and Accessing Topology on the GPU: A Case Study on Mass-Spring Systems
Dietrich, C. A., Comba, J.L.D & Nedel, L. P. 
In ShaderX 5 - Advanced Rendering Techniques, 2007. Edited by Wolfgang Engel. Pages 565-578. Charles River Media ISBN 1-58450-499-4.

Multi-Fragment Effects on the GPU using the k-Buffer
L. Bavoil, S.P. Callahan, A. Lefohn, J.L.D. Comba, C.T. Silva
ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games, 2007. Pages 97-104. ISBN 9781595936288.

Multi-Fragment Effects on the GPU using the k-Buffer
L. Bavoil, S.P. Callahan, A. Lefohn, J.L.D. Comba, C.T. Silva
SCI Institute Technical Report UUSCI-2006-032.  University Of Utah, 2006.

Practical CFD Simulations on Programmable Graphics Hardware Using SMAC
Scheidegger, C.E.; Comba, J.L.D. & da Cunha, R.D.
Computer Graphics Forum, 2005, 24-4, 715-728

Hardware-Assisted Visibility Sorting for Unstructured Volume Rendering
Callahan, S.; Ikits, M.; Comba, J. & Silva, C.
IEEE Transactions on Visualization and Computer Graphics, 2005, 11, 285-295
Software:  HAVS at Sourceforge

Real-Time Relief Mapping on Arbitrary Polygonal Surfaces
Policarpo, F.; Neto, M.O. & Comba, J.L.D.
Proceedings of ACM Siggraph Interactive 3D Graphics and Games - I3D 2005, 2005, 155-162

Multiple-Depth Shadow Maps
Pagot, C.A.; Comba, J.L.D. & Neto, M.M.O.
Proceedings of XVII SIBGRAPI - II SIACG 2004. Pages 308-315. IEEE Press ISBN 0-7695-2227-0, Curitiba, Brazil, October 2004

Navier-Stokes on Programmable Graphics Hardware Using SMAC
Scheidegger, C.E.; Comba, J.L.D. & da Cunha, R.D.
Proceedings of XVII SIBGRAPI - II SIACG 2004. Pages 300-307. IEEE Press ISBN 0-7695-2227-0, Curitiba, Brazil, October 2004

Computation on GPUs: from a programmable pipeline to an efficient stream processor
Comba, J.L.D.; Dietrich, C.A.; Pagot, C.A. & Scheidegger, C.E.
Revista de Informática Teórica e Aplicada, 2003, 10-1, 41-70

Special Effects with Current Graphics Hardware
Comba, J.L.D. & Bastos, R.
Revista de Informática Teórica e Aplicada, 2001, 8-2, 69-88