Introduction, Paul Sheridan; human performance models for computer-aided engineering, Jerome Elkind; how often should a lecturer look at a sleeping student?, John Senders; human resource issues in system design, William Rouse; the application of optional control theory to the allocation of airline seats, Renwick Curry; mental models of complex systems, Neville Moray; aggregation of judgements or judgement of aggregations, William R.Ferrell; supervisory control and risk management, Jens Rasmussen; design issues of graphics and knowledge support in supervisory control systems, Gunnar Johannesen; the expression of opinions through the new electronic mass media - an experimental and cybernetic view, Noam Lemelshtrich; precise constructions from imprecise information - making a very lot from a very little, John Kreifeldt; real robots don't need jigs, David Whitney; remotely - piloted deep ocean exploration, Dana Yoerger; man-in-the-loop - from manual control to expert systems, Lawrence Young.