Systems & Control Letters
Systems & Control Letters > 2005 > 54 > 8 > 799-808
Systems & Control Letters > 2008 > 57 > 3 > 193-199
Systems & Control Letters > 2012 > 61 > 4 > 521-527
Systems & Control Letters > 2005 > 54 > 8 > 799-808
Systems & Control Letters > 2008 > 57 > 3 > 193-199
Systems & Control Letters > 2012 > 61 > 4 > 521-527