磁気誘導コンパス (Japanese Wikipedia)

Analysis of information sources in references of the Wikipedia article "磁気誘導コンパス" in Japanese language version.

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books.google.com

  • Graf, Rudolf F (1999). Modern dictionary of electronics. Newnes. ISBN 978-0-7506-9866-5. https://books.google.com/books?id=o2I1JWPpdusC&pg=PA370. "induction compass" 

eaavintage.org

jstor.org

leifiphysik.de