Systems & Control Letters
Systems & Control Letters > 2011 > 60 > 3 > 205-210
Systems & Control Letters > 2011 > 60 > 3 > 156-160
Systems & Control Letters > 2011 > 60 > 5 > 318-324
Systems & Control Letters > 2011 > 60 > 6 > 383-389
Systems & Control Letters > 2011 > 60 > 10 > 863-870
Systems & Control Letters > 2011 > 60 > 10 > 854-862
Systems & Control Letters > 2011 > 60 > 10 > 877-883