000
00302nam a2200133Ia 4500
100
_a
Franz J/ Jain/ V.K.
942
_c
BK
654
_a
Communication systems
245
_a
Optical communication system
260
_b
Narosa book
_a
New Delhi
_c
1996
300
_a
437
546
_a
ENGLISH
999
_c
23471
_d
23471