2009 IEEE International Symposium on Circuits and Systems (ISCAS) Circuits and Systems (ISCAS), 2009 IEEE International Symposium on. :1933-1933 May, 2009
2007 IEEE International Symposium on Circuits and Systems (ISCAS) Circuits and Systems (ISCAS), 2007 IEEE International Symposium on. :1569-1572 May, 2007