00369nam a2200145Ia 4500008004100000020001500041041001200056082001600068100001700084245007300101250000800174260002500182300000800207650000800215221030s9999    xx            000 0 und d  a8120308824  aEnglish  a105.23bSen  aJ. M. Senior 0aOptical Fiber Communication - Principles & Practicecby J. M. Senior  a2nd  bPHIaNew Delhic2001  a921  aECE