1. Control of re-cycling and impurities in the ATC tokamak by means of gettered surfaces
2. E.S. Hotston, Culham Lab. Report CLM P449.
3. L.J. Spitzer, Physics of fully ionised gases (Interscience) ch. 5.
4. S. Glasstone and R. Loveberg, Controlled thermonuclear reactions (Van Nostrand) sect. 4.5.1.
5. Plasma physics in theory and application;Kunkel,1966