00318nam a2200121 a 450000500170000002000180001708200170003510000210005224500370007326000470011049000190015770000200017620251203111726.0  a9780121835521  a320.014bCOM  aComstock, George  aPsychology of media and politics  aNew YorkbElseviercஸஸ,316p.;20cm.: HB  aincludes index  aScharrer, Erica