00306nam a2200121Ia 4500008004100000020002200041100001500063245005500078260001200133260000900145300000800154650002200162221231s9999    xx            000 0 und d  a978-81-7758-353-3  aFlood J. E 0aTelecommunications switching, Traffic and Networks  bPearson  c2009  a309  aTelecommunication