Grafófono (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Grafófono" in Spanish language version.

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Global rank Spanish rank

489^th place

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956^th place

2,069^th place

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7^th place

462^nd place

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3,212^th place

731^st place

568^th place

books.google.com

Encyclopedia of World Biography. "Alexander Graham Bell", Encyclopedia of World Biography. Thomson Gale. 2004. Retrieved December 20, 2009 from Encyclopedia.com.

Newville, Leslie J. Development Of The Phonograph At Alexander Graham Bell's Volta Laboratory, United States National Museum Bulletin, Smithsonian Institution and the Museum of History and Technology, Washington, D.C., 1959, No. 218, Paper 5, pp.69-79. Retrieved from Gutenberg.org.
Newville, Leslie J. Development of the Phonograph at Alexander Graham Bell's Volta Laboratory, United States National Museum Bulletin, United States National Museum and the Museum of History and Technology, Washington, D.C., 1959, No. 218, Paper 5, pp.69-79. Retrieved from Gutenberg.org.

How the Jukebox Got its Groove Popular Mechanics, June 6, 2016, retrieved July 3, 2017