00557cam a2200133 a 4500020002100000020002400021082001600045100004000061245007600101260004400177300003400221500002000255650014800275  a0801333350 (pbk)  a9781292042855 (pbk)00a302.23bSEV1 aSeverin, Werner JaJames W. Tankard10aCommunication theories borigins, methods, and uses in the mass media    aNew York bAddison Wesley Longmanc2001  axv, 411 p. c; 24 cm.b: ill.  aIncludes index. 0aMass media--theoriesvPolitical communicationvSocial activitesvMedia channelsvMass communicationvMass MediavScientific methodvRICPPvRIMS