(Canberra)International Symposium on Veterinary Epidemiology and Economics International Symposium on Veterinary Epidemiology and Economics (Tokyo)International Symposium on Space Technology and Science International Symposium on Space Technology and Science (Aachen,W.Germany)International Symposium on Aeroelasticity and Structural Dynamics (Athens)International Symposium in the Use of Artifircial Satellites for Geodesy and Geodynamics International symposium on the electrophysiology of the heart