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Common battery (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Common battery" in English language version.

refsWebsite
Global rank English rank
1books.google.com
3rd place
3rd place

books.google.com

  • Circular of the Bureau of Standards: No. 112, Telephone Service. Washington, D.C.: Government Printing Office. June 24, 1921. pp. 25–26.