Symposium on Shock and Vibration (Danvers,Mass.)Symposium on Shock and Vibration Symposium on Shock an Vibration. (New Orleans)Symposium on Shock and Vibration (Pasadena,Calif.)Symposium on Shock and Vibration (Monterey,Calif)Symposium on Shock and Vibration (Pasadena,Calif)Symposium on Shock and Vibration Symposium on Noise and Vibration (Cranfield)Symposium on Noise and Vibration (L.)Symposium on process optimisation