The following publications are possibly variants of this publication:
- A Hardware-Assisted Visibility-Ordering Algorithm With Applications To Volume RenderingShankar Krishnan, Cláudio T. Silva, Bin Wei. vissym 2001: 235-242 [doi]
- Approximate volume rendering for curvilinear and unstructured grids by hardware-assisted polyhedron projectionNelson L. Max, Peter L. Williams, Cláudio T. Silva. imst, 11(1):53-61, 2000. [doi]
- Image-Space Visibility Ordering for Cell Projection Volume Rendering of Unstructured DataRichard Cook, Nelson L. Max, Cláudio T. Silva, Peter L. Williams. tvcg, 10(6):695-707, 2004. [doi]
- Volume Rendering for Curvilinear and Unstructured GridsNelson L. Max, Peter L. Williams, Cláudio T. Silva, Richard Cook. icgi 2003: 210-217 [doi]