IEEE Electron Device Letters
IEEE Electron Device Letters > 2012 > 33 > 6 > 851 - 853
IEEE Electron Device Letters > 2012 > 33 > 8 > 1138 - 1140
IEEE Electron Device Letters > 2013 > 34 > 6 > 768 - 770
IEEE Electron Device Letters > 2014 > 35 > 1 > 87 - 89