Systems & Control Letters
Systems & Control Letters > 1996 > 28 > 5 > 281-289
Systems & Control Letters > 1997 > 31 > 1 > 33-40
Systems & Control Letters > 1998 > 33 > 1 > 11-17
Systems & Control Letters > 1996 > 28 > 5 > 281-289
Systems & Control Letters > 1997 > 31 > 1 > 33-40
Systems & Control Letters > 1998 > 33 > 1 > 11-17