00406nam a2200133Ia 4500008004100000020001800041040003800059100002300097245005900120250000800179260003100187300001600218653003800234211231s9999    xx            000 0 und d  a0-534-55132-7  cJayakar Knowledge Resource Centre  aStraubhaar, Joseph 0aMedia now: communications media in the information age  a3rd  bWadsworthaAustraliac2002  axvi,584p p.  aTelecommunication - United States