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3-198595 | Jul 1991 | JPX |
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4797842 | Nackman et al. | Jan 1989 | |
4855939 | Fitzgerald, Jr. et al. | Aug 1989 | |
4933889 | Meshkat et al. | Jun 1990 | |
4969116 | Wada et al. | Nov 1990 | |
5388199 | Kakazu et al. | Feb 1995 |
Entry |
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"Working Out with CAD", Computer Graphics World, vol. 12 n 9. |