International Symposium on Flammability and Fire Retardants,Toronto,1978 International symposium on Humidity and Moisture International symposium on mining research Eighth national symposium on reliability and quality control International Symposium on Aeroelasticity and Structural Dynamics Nith National symposium on reliability and quality control International Symposium on Prostaglandins International symposium on plastics testing and standardization International Symposium on Diagnosis and Treatment with Auricular Points International symposium on injury Inflammal ion and immunity.