Systems & Control Letters
Systems & Control Letters > 2006 > 55 > 6 > 459-465
Systems & Control Letters > 2011 > 60 > 10 > 863-870
Systems & Control Letters > 2013 > 62 > 8 > 699-707
Systems & Control Letters > 2014 > 68 > Complete > 95-100
Systems & Control Letters > 2016 > 93 > C > 77-81