000 nam a22 7a 4500
999 _c10073
_d10073
005 20180510120727.0
008 180510b xxu||||| |||| 00| 0 eng d
100 _aRaina,M.K.
245 _aOptical Fiber Communication Systems
250 _a9th
260 _aNew Delhi
_bSatya
_c2017
300 _a10.32p.
942 _2ddc
_cDB