International Symposium on Electron and Photon Interactions at High Energies International Symposium on Electron and Photon Internations at High Energies (N.Y.)International Symposium on Electron and Photon Interactions at High Energies Proceedings of the International Symposium on Electron and Photon Internations at High Energics International colloquium on photon-photon interactions International symposium on environment-behavior studies International symposium on low power electronics and design International Symposium on Seil Structure interaction. 2 International Symposium on High Energy e+ e- Interactions International Symposium on Seil Structure interaction