(Bangor Wales)International Conference on Radio Receivers & Associated Systems Fifth international conference on radio receivers and associated systems. International Conference on Radio Receivers & Associated Systems (Lancaster)International Conference on Displays for Man-Machine Systems (Tokyo)International Conference on 5th Generation Computer Systems (London)International Conference on Submarine Telecommunications Systems (1990)International Conference on Expert Planning Systems (London)International Conference on Flexible Manufacturing Systems (Versailles)International Conference on Analysis and Optimization of Systems 5th international conference on HF radio systems and techiques