1. Electron Cyclotron Resonance Multiply Charged Ion Sources
2. High intensity production of high and medium charge state uranium and other heavy ion beams with VENUS
3. R. Geller, F. Boug, P. Brian, J. Debernardi, M. Delaunay, B. Jaquot, P. Ludwig, R. Pauthenet, M. Pontonnier, and P. Sortais , Proceedings of the International Conference on ECR Ion Sources and Their Applications, p. 17;
4. NSCL Report No. MSUCP-47, 1987, edited by J. Parker (unpublished).
5. D. Hitz, M. Delaunay, P. Ludwig, G. Melin, and M. Pontonnier , Proceedings of the EPAC, London, 1994 (http://cern.ch/AccelConf/e94/PDF/EPAC1994_1418.PDF) (unpublished).