Tennelec (English Wikipedia)

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

refsWebsite

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1businessweek.com

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1books.google.com

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books.google.com

Curtis, Anthony R. (July 1977). "Computerized scanners". Popular Mechanics. 148 (1): 68–70. Retrieved 1 June 2011.

businessweek.com

investing.businessweek.com

"Executive Profile". Bloomberg BusinessWeek. Retrieved 1 June 2011.

espacenet.com

worldwide.espacenet.com

US patent 3961261, Peter W. Pflasterer, "Crystalless scanning radio receiver", issued 1976-06-01 (filed March 14, 1974)