000 00302nam a2200121Ia 4500
008 211126s9999 xx 000 0 und d
082 _a621.38275
100 _aI.RAVIKUMAR
245 0 _aPRINCIPLES OF OPTICAL COMMUNICATION ANDOPTO ELECTRONICS
260 _bLAXMI
365 _b95.00
942 _cBTECH
999 _c139456
_d139456