00381nam a2200145Ia 4500008004100000020001500041041001200056082001100068100001700079245007400096250000800170260004000178300000900218650000800227221030s9999    xx            000 0 und d  a8131732663  aEnglish  a105.23  aJ. M. Senior 0aOptical Fiber Communications : Principles & Practicecby J. M. Senior  a3rd  bPearson  EducationaNew Delhic2011  a1076  aECE