Bertie the Brain (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Bertie the Brain" in English language version.

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espacenet.com

worldwide.espacenet.com

  • US patent 2784312, Kates, Josef, "Electronic Vacuum Tube", issued 1957-03-05 

news.google.com

  • Simmons, Marlene (1975-10-09). "Bertie the Brain programmer heads science council". Ottawa Citizen. p. 17. Retrieved 2014-11-16.

spacing.ca

web.archive.org