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IEEE Photonics Technology Letters > 2011 > 23 > 4 > 233 - 235
IEEE Sensors Journal > 2008 > 8 > 7 > 1079 - 1088
IEEE Photonics Technology Letters > 2011 > 23 > 4 > 233 - 235
IEEE Sensors Journal > 2008 > 8 > 7 > 1079 - 1088