二進碼十進數 (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "二進碼十進數" in Chinese language version.

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Evans, David Silvester. Chapter Four: Ancillary Equipment: Output-drive and parity-check relays for digitizers. Digital Data: Their derivation and reduction for analysis and process control 1. London, UK: Hilger & Watts Ltd（英语：Hilger & Watts Ltd） / Interscience Publishers. 1961-03: 46–64 [56–57] [2020-05-24]. (8+82 pages) (NB. The 4-bit 8421 BCD code with an extra parity bit applied as least significant bit to achieve odd parity of the resulting 5-bit code is also known as Ferranti code.)

Evans, David Silvester. Chapter Four: Ancillary Equipment: Output-drive and parity-check relays for digitizers. Digital Data: Their derivation and reduction for analysis and process control 1. London, UK: Hilger & Watts Ltd（英语：Hilger & Watts Ltd） / Interscience Publishers. 1961-03: 46–64 [56–57] [2020-05-24]. (8+82 pages) (NB. The 4-bit 8421 BCD code with an extra parity bit applied as least significant bit to achieve odd parity of the resulting 5-bit code is also known as Ferranti code.)