(Chicago)International Symposium on Concrete Bridge Design 2d International Symposium on Concrete Bridge Design International Symposium on Concrete Bridge Design 2d International Symposium on Concrete Bridge Design. 1 2d International Symposium on Concrete Bridge Design. 2 (Chicago)International Symposium on Jet Cutting Technology 1982 international symposium on circuits and syste 1983 international symposium on circuits and syste Intrernaftional symposium on coneretr roads (Shrivenham)International symposium on sciontific software systems