00349nam a2200133Ia 4500008004100000020002200041100001900063245005900082250001100141260001200152260000900164300000800173650003400181221231s9999    xx            000 0 und d  a978-81-317-0309-0  aSenior, John M 0aOptical Fiber Communications : Principles and Practice  a2nd Ed  bPearson  c2008  a921  aElectronics and Communication