Systems & Control Letters
Systems & Control Letters > 1999 > 36 > 1 > 69-74
Systems & Control Letters > 1999 > 36 > 2 > 131-134
Systems & Control Letters > 1999 > 36 > 3 > 175-180
Systems & Control Letters > 1999 > 38 > 1 > 21-26
Systems & Control Letters > 1999 > 38 > 1 > 61-72
Systems & Control Letters > 1999 > 38 > 1 > 49-60
Systems & Control Letters > 1999 > 38 > 1 > 37-48