Electronics and Telecommunications Research Institute (ETRI), ETRI Journal, 1(35), p. 170-172, 2013
DOI: 10.4218/etrij.13.0212.0415
Electronics and Telecommunications Research Institute, ETRI Journal, 1(35), p. 170-172
DOI: 10.4218/etrij.12.0212.0415
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