000
00276nam a2200133Ia 4500
020
_a
9780070648104
082
_a
621.38275
100
_a
KEISER
245
_a
OPTICAL FIBER COMMUNICATION
250
_a
4th ED
260
_c
2008
_a
NEW DELHI
_b
MGH
300
_a
578P
942
_c
BK
999
_c
4170
_d
4170