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008 200615s9999||||xx |||||||||||||| ||und||
082 _a621.3
_bOPT-K
100 _aKEISER GERD
245 0 _aOPTICAL FIBER COMMUNICATION
250 _a3RD
260 _aNew Delhi
_bMGH
_c2018
300 _a0
942 _cBK
999 _c29680
_d29680