00270nam a2200109Ia 4500008004100000041001200041100001700053245006100070260000600131650000600137700001700143221030s9999    xx            000 0 und d  aEnglish  aDennis  Rody 0aElectronic Communicationscby Dennis  Rody, Coolen, John  c0  aB  aCoolen, John