00370nam a2200145Ia 4500008004100000020001500041041001200056082001600068100001700084245007400101250000800175260002500183300000800208650000800216221030s9999    xx            000 0 und d  a8120308824  aEnglish  a105.23bSen  aJ. M. Senior 0aOptical Fiber Communications - Principles & Practicecby J. M. Senior  a2nd  bPHIaNew Delhic2001  a921  aECE