1. H. Fitze et al., “Developments at PSI (Including New RF Cavity),” in Proc. of the XVII Int. Conf. on Cycl. and Their Appl. (Japan, Tokyo, 2004), pp. 67–71.
2. G. Dutto et al., “TRIUMF High Intensity Cyclotron Development for ISAC,” in Proc. of the XVII Int. Conf. on Cycl. and Their Appl. (Japan, Tokyo, 2004), pp. 82–86.
3. Y. Jongen et al., “CYCLONE18+. Commercial Cyclotrons — Manufactures,” in Proc. of the XV Int. Conf. on Cycl. and their Appl. (GANIL, France, 1998), p. 793.
4. W. Kleeven et al., “The Self-Extracting Cyclotron,” in Proc. of the XVI Int. Conf. on Cycl. and their Appl. (NSCL MSU, USA, 2001), pp. 69–73.
5. Y. Jongen et al., “New Cyclotron Developments at IBA,” in Proc. of the XVII Int. Conf. on Cycl. and Their Appl. (Japan, Tokyo, 2004), pp. 110–114.