A Content Analysis of Prime-Time TV and Radio News in Puerto Rico - Glorisa J. Canino, Aletha C. Huston, 1986
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File:Vital Signs Vol. 10 No. 7, 1 June 1986 (IA nrmcorlandovitalsigns107860601).pdf - Wikimedia Commons
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Amatérské radio č. 11, ročník XXXV: časopis pro radiotechniku a amatérské vysílání, 1986 - Antikvariát Skoda Abzeichen
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