00343nam a2200121Ia 4500008004100000020001800041100001800059245008000077260001200157260000900169300000900178650003400187221231s9999    xx            000 0 und d  a81-7808-532-1  aHalsall, Fred 0aMultimedia Communications : Applications, Networks, Protocols and Standards  bPearson  c2005  a1056  aElectronics and Communication