1. J.S. Fraser, et al., PAC ’87, Washington DC, USA, March 16–19, 1987, p. 1705.
2. The Los Alamos photoinjector program
3. R.L. Sheffield, et al., 1988 Linear Accelerator Conference Williamsburg, VA, USA, October 3, 1988, p. 520.
4. The high average power free electron laser program
5. R.L. Sheffield, J.M. Watson, Proceedings of the 19th Fluid Dynamics, Plasma Dynamics, and Laser Conference, Honolulu, HI, USA, June 8, 1987.