2012 IEEE International Symposium on Circuits and Systems (ISCAS) Circuits and Systems (ISCAS), 2012 IEEE International Symposium on. :1151-1154 May, 2012
2011 IEEE International Symposium of Circuits and Systems (ISCAS) Circuits and Systems (ISCAS), 2011 IEEE International Symposium on. :2465-2468 May, 2011