1. presented at the Workshop on New Developments in Particle Accelerator Techniques;Palmer,1987
2. presentations of the VLEPP design at the International Workshop on Next Generation Linear Colliders;Skrinsky,1988
3. see also M. Yoshioka, Present status of linear collider R&D in Japan, same workshop.
4. CERN-LEP-RF/87-58;Schnell,1987
5. High-gradient electron accelerator powered by a relativisitic klystron