1 2 Johnson 1982, p. 4. ↑ Johnson 1982, p. 58, diagram. ↑ Kenward 1979b. sfn error: no target: CITEREFKenward1979b (help) ↑ Bilby, Ethan (14 April 2016). "Twisting design of fusion reactor is thanks to supercomputers". Horizon: the EU Research & Innovation magazine.