Number | Name | Date | Kind |
---|---|---|---|
4608653 | Setoguchi | Aug 1986 | |
4754269 | Kishi et al. | Jun 1988 | |
4775946 | Anjyo | Oct 1988 | |
4791583 | Colburn | Dec 1988 | |
4812836 | Kurakake et al. | Mar 1989 |
Entry |
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Newman et al. "Principles of Interactive Computer Graphics" McGraw Hill Book Company 1979 pp. 389-402. |