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G. F. Wells and W. E. Lingar, “An Accelerator Radiation Protection System”, in Proc. 1st Particle Accelerator Conf. (PAC'65), Washington D.C., USA, Mar. 1965, pp. 718-721. |
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G. F. Wells and J. W. Johnson, “Ion Source Modification for He- Ions”, in Proc. 3rd Particle Accelerator Conf. (PAC'69), Washington D.C., USA, Mar. 1969, pp. 41-43. |
