000 00302nam a2200133Ia 4500
100 _aFranz J/ Jain/ V.K.
942 _cBK
654 _aCommunication systems
245 _aOptical communication system
260 _bNarosa book
_aNew Delhi
_c1996
300 _a437
546 _aENGLISH
999 _c23471
_d23471