00318nam a2200133Ia 4500008004100000020002200041100003600063245002700099250000600126260001200132260000900144300000900153650002200162221231s9999    xx            000 0 und d  a978-81-265-1393-2  aGlover, Ian A., Grant, Peter M. 0aDigital Communications  a2  bPearson  c2008  a1000  aTelecommunication