|
J. John, J. P. Aldridge, K. R. Chapman, R. H. Davis, C. P. Robinson, and W. J. Wallace, “Modification of an Ion Source for the Production of Microampere 4He- Beams”, in Proc. 2nd Particle Accelerator Conf. (PAC'67), Washington D.C., USA, Mar. 1967, pp. 82-87. |
