2010 IEEE International Symposium on Circuits and Systems (ISCAS) Circuits and Systems (ISCAS), 2010 IEEE International Symposium on. :557-560 May, 2010
2009 IEEE International Symposium on Circuits and Systems (ISCAS) Circuits and Systems (ISCAS), 2009 IEEE International Symposium on. :301-304 May, 2009