Oscilador de cristal (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Oscilador de cristal" in Spanish language version.

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americanradiohistory.com

  • Bayard, Thomas L. (mes de Abril de 1926). «The New "Crystal Pilot"». Popular Radio (New York: Popular Radio, Inc.) 9 (4): 342-347. Consultado el 24 de agosto de 2014. 

books.google.com

doi.org

dx.doi.org

ieee-uffc.org

mwrf.com

smithsonian.org

invention.smithsonian.org

uspto.gov

patft.uspto.gov

  • Nicholson, Alexander M. Generating and transmitting electric currents Patente USPTO n.º 2212845, filed April 10, 1918, granted August 27, 1940

web.archive.org