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2. H. A. Schwettman, P. B. Wilson, J. M. Pierce andW. M. Fairbank:The Applications of Superconductivity to Electron Linear Accelerators, inAdvances in Cryogenic Engineering, vol.10 (1964).
3. High-Energy Electron-Positron Colliding Beam Storage Ring at the Stanford Linear Accelerator Center, Stanford University (March 1964).
4. Livingston andBlewett:Particle Accelerators (New York, 1962), P. 117.
5. P. B. Wilson: private communication.