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IEEE Journal of Solid-State Circuits > 2014 > 49 > 3 > 608 - 621
IEEE Microwave and Wireless Components Letters > 2010 > 20 > 10 > 581 - 583
IEEE Sensors Journal > 2008 > 8 > 8 > 1445 - 1454
IEEE Spectrum > 1971 > 8 > 6 > 38 - 46