000
00235nam a2200109Ia 4500
100
_a
Rao, Ketha A.
942
_c
BK
245
_a
Optical fiber communications
260
_a
Nandu, Mumbai
_c
1998
082
_a
621.38275 Rao
300
_a
172
999
_c
44555
_d
44555