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*1001 $aWebster, James G.$0(NO-TrBIB)90605033$_54922500
*24510$aRatings analysis :$btheory and practice$cJames G. Webster, Lawrence W. Lichty
*260  $aHillsdale, N. J.$bLawrence Erlbaum$c1991
*300  $aix, 290 s.$bill.
*4900 $aCommunication textbook series : Broadcasting
*504  $aBibliografi: s. 264-278.
*650 0$aRadio audiences$_36884400
*650 0$aRadio programs$xRatings Methodology$_54922600
*650 0$aTelevision audiences$_54922700
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*7001 $aLichty, Lawrence W.$0(NO-TrBIB)90804089$_54922900
*85642$3Forlagets beskrivelse (lang)$uhttps://contents.bibs.aws.unit.no/?isbn=9780805809497
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