Marc Daniel Using a Convex Pyramid to Bound Surface Normal Vectors. [Citation Graph (0, 0)][DBLP] Comput. Graph. Forum, 1996, v:15, n:4, pp:219-227 [Journal]
Sandeep Kochhar, Jim Hall A Unified, Object-Oriented Graphics System and Software Architecture for Visualising CAD/CAM Presentations. [Citation Graph (0, 0)][DBLP] Comput. Graph. Forum, 1996, v:15, n:4, pp:229-248 [Journal]