000 00301nam a22001337a 4500
999 _c4596
_d4596
020 _a9780070648104
082 _a621.3827 KEI
100 _aKeiser Gerd
245 _aOptical Fiber Communication
260 _aNew Delhi
_bMcGraw Hill
_c2008
300 _a578
650 _aApplied physics
942 _cBK