por American Control Conference (1985 : Boston, Mass.) | American Automatic Control Council.
por American Control Conference (1987 : Minneapolis, Minnesota) | American Automatic Control Council | American Institute of Aeronautics and Astronautics.
por American Control Conference (1989 : Pittsburgh, Penn.) | American Automatic Control Council.
por American Control Conference (1992 : Chicago, Ill.) | American Automatic Control Council.
por American Control Conference (1995 : Washington, D. C.) | American Automatic Control Council | International Federation of Automatic Control.