000 00371nam a2200145Ia 4500
008 241225s9999 xx 000 0 und d
020 _a8120308344
082 _a621.382
_bGOW
100 _aGowar, John.
245 0 _aOptical communication systems
260 _aNew Delhi :
_bPrentice Hall Of India,
_c2007
300 _a696.
365 _a195
650 _aApplied physics
999 _c17608
_d17608