000 00374cam a2200157ua 4500
020 _a81-203-0834-4
082 _a621.382 7
_bGOW/O
100 0 _aGowar, John
245 0 0 _aOptical communication systems
250 _a2nd ed.
260 _aNew Delhi
_bPrentice Hall
_c1999
300 _axvi,696p.
650 0 _aCommunication- Optical
650 0 _aEngineering
942 _cBK
999 _c2266
_d2266