1. R. S. Livingston, Proc. Int. Conf. on Sector-Focused Cyclotrons, Geneva, 1963 (CERN Report 63-19), 1.
2. Nucl. Inst. and Meth., 122 (1974) 1.
3. D. Allan Bromley, Ibid, 1-285.
4. T. W. Aitken et al., Ibid., 235.
5. J. K. Bair et al., IEEE Trans. Nuc. Sci., NS-22, No. 3 (1975) 1655.