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082 _a621.381 52
100 _aGHOSH M K
245 0 _aOPTOELECTRONICS SENSORS AND INSTUMENTATION
250 _a1
260 _bSCIENTIFIC
_c2014
_aNEW DELHI
300 _a444
999 _c62360
_d62360