International Conference on Trends in on-Line Computer control Systems International Conference on Trends in On-Line Computer Control Systems (London)Conference on Trends in On-Line Computer Control Systems 2d Conference on Trends in On-Line Computer Control Systems Conference on Trends in On-Line Computer Control Systems International Conference on Distributed Computer Control Systems International conference on centrallised control systems International Conference on centrallised control systems International conference on centrallised control systems. International conference on ecure communication systems