Neal, R.B. (1968). "Chap. 5"(PDF). The Stanford Two-Mile Accelerator. New York, New York: W.A. Benjamin. p. 59. Archived(PDF) from the original on July 14, 2010. Retrieved July 18, 2025.
Neal, R.B. (1968). "Chap. 5"(PDF). The Stanford Two-Mile Accelerator. New York, New York: W.A. Benjamin. p. 59. Archived(PDF) from the original on July 14, 2010. Retrieved July 18, 2025.