1. Aldefeld B. (1983) On automatic recognition of 3D structures from 2D representations. Computer-Aided Design 15(2): 59–64
2. Ando H., Susuki H., and Kimura F. (1989) A geometric reasoning system for mechanical product design. In: Proceedings CAPE ’89, Kimura F., and Rolstadäs A. (eds), Elsevier Science Publishers, Amsterdam, pp 131–140
3. Arbab F., and Wing J.M. (1985) Geometric reasoning: a new paradigm for processing geometric information. Report TR-85–33, CS dept. USC, Los Angeles
4. Arvo J., and Kirk D. (1989) A survey of ray tracing acceleration techniques. In: An Introduction to Ray Tracing, Glassner A.S. (ed), Academic Press, New York, pp 201–262
5. Atherton P.R. (1983) A scan-line hidden surface removal procedure for constructive solid geometry. Computer Graphics 17(3): 73–82