International Symposium on the Organization and Expression of the Eukaryotic Genome,Tehran,1976 The organization and expression of the Eukaryotic genome International Symposium on the Origin and Distribution of the Elements International symposium on the electrophysiology of the heart International Symposium on the Statistical Mechanics of Quarks and Hadrons International Symposium on the Classification of Brain Tumours International Symposium on the Chemistry,Metabolism,and Modes of Action of the Juvenile Hormones of International Symposium on Mecanization and Automation of Inspection on Pressurrized Plants,Tokyo,19