International Symposium on Acoustical Holography International Symposium on Acoustic Emission From Reinforced Plastics International Symposium on Surfactants in Solution International Symposium on DynamicalSystems International Symposium on Fluorine Chemistry International Symposium on Acoustical Holography and Image International Symposium on Air Pollution International Symposium on Amorphous Magnetism International Symposium on Environmental Vibration