000 00291nam a2200121Ia 4500
008 211126s9999 xx 000 0 und d
082 _a621.3692
100 _aDR.M.ARUMUGAN
245 0 _aOPTICAL DIBER COMMUNICATION AND SENSORS
260 _bANURADHA
365 _b160.00
942 _cBTECH
999 _c136979
_d136979