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| 1974 | ||
|---|---|---|
| 2 | D. A. H. Brown: Some Error Correcting Codes for Certain Transposition and Transcription Errors in Decimal Integers. Comput. J. 17(1): 9-12 (1974) | |
| 1 | D. A. H. Brown: Biquinary Decimal Error Detection Codes with One, Two and Three Check Digits. Comput. J. 17(3): 201-204 (1974) | |