00350nam a2200133Ia 4500008004100000020001500041041001200056082001100068100001600079245006800095260003700163300000800200650000800208221030s9999    xx            000 0 und d  a8131705021  aEnglish  a105.23  aJ. E. Flood 0aTelecommunication Switching, Traffic & Networkscby J. E. Flood  bPearson   EducationaDelhic2007  a310  aECE