00380nam a2200133Ia 450000500170000000800410001702000140005804000150007208200240008724500680011125000080017926000470018730000120023420260420095821.0231128s9999    xx            000 0 und d  a803846649  aPHSAcPHSA  aCIR 001.508 S3 1972 0aMass media and communication /cedited by Charles S. Steinberg.  a5th  aCanada :bHastings House Publishers,c1972  a686  p.