1. The 7 GeV Proton Synchrotron;Pickavance;Nuclear Engineering,1959
2. R.J.B. Hadden; Gas scattering in proton synchrotrons with variable rate of acceleration, U.K.A.E.A. report No. A.E.R.E. GP/R 2189.
3. The Kinetic Theory of Gases;Knudsen,1950
4. Private communication.
5. Evolution and absorption of gases in electron tubes;Collins,1959