Number | Name | Date | Kind |
---|---|---|---|
3892608 | Kuhn | Jul 1975 | |
4214917 | Clark et al. | Jul 1980 | |
4239559 | Ito | Dec 1980 | |
4335505 | Shibata et al. | Jun 1982 | |
4351099 | Takagi et al. | Sep 1982 | |
4391032 | Schulte | Jul 1983 | |
4408385 | Mohan Rao et al. | Oct 1983 |
Entry |
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Ning, IBM-TDB, 23, (1980), 368. |