Cybernetics and systems research : proceedings of the sixth European Meeting on Cybernetics and Systems Research / organized by the Austrian Society for Cybernetic Studies, held at the University of Vienna, Austria, 3-16 April, 1982 ; edited by Robert Trappl ; editorial board, N. Bailey ... [et al.] / Robert Trappl, ÖsterreichischeStudiengesellschaftfürKybernetik, ほか