organiaed by the Austrian Soceity for Cybernetics Studies.European Meeting on Cybernetics and Systems Research (7th : 1984 : Austria)：Cybernetics and systems research ．2.North-Holland,1984.
Robert Trappl,European Meeting on Cybernetics and Systems Research.European Meeting on Cybernetics and Systems Research (10th : 1990 : University of Vienna)：Cybernetics and systems`90.World Scientific,1990.
