Number | Name | Date | Kind |
---|---|---|---|
4164630 | Brodbeck | Aug 1979 |
Number | Date | Country |
---|---|---|
2813177 | Oct 1978 | DEX |
513524 | May 1976 | SUX |
Entry |
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A. F. Higginbotham, Electronic Abbreviated Directory, IBM Technical Disclosure Bulletin, vol. 22, No. 6, Nov. 1979, 2216-2217. |