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English Electric System 4 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "English Electric System 4" in English language version.

refsWebsite
Global rank English rank
2books.google.com
3rd place
3rd place

books.google.com (Global: 3rd place; English: 3rd place)

  • Lavington, Simon (19 May 2011). Moving Targets: Elliott-Automation and the Dawn of the Computer Age in Britain, 1947 – 67. Springer Science & Business Media. p. 457. ISBN 9781848829336.
  • Campbell-Kelly, Martin (1989). ICL: a business and technical history. Table 11.4 English Electric System 4 announcements, 1965. For models 50 and 70: search for number 50. Clarendon Press. p. 243. ISBN 9780198539186.