000 00307nam a2200133Ia 4500
082 _a621.3827
_bGOW-O2
100 _aGower, John
_9166
245 _aOptical communication systems
250 _a2
260 _b Prentice - Hall of India Pvt. Ltd., New Delhi
260 _c2001
300 _a696p
942 _cBK
999 _c4601
_d4601