1. M. Schillo, A. Geisler, A. Hobl, U. Klein, D. Krischel, M. Meyer-Reumers, C. Piel, H. Blosser, J. Kim, F. Marti, J. Vincent, S. Brandenburg, J. Beijers, in: Proceedings of 2004 Conference on Cyclotrons and Their Applications, (2001) 31.
2. J. Kim, H. Blosser, in: Proceedings of 2004 Conference on Cyclotrons and Their Applications, (2001) 345.
3. Proposal for a manufacturing protype superconducting cyclotron for advanced cancer therapy, MSUCL-874, Michigan State University, 1993.
4. New superconducting cyclotron driven scanning proton therapy systems
5. NEWS from Project PROSCAN, PSI, 2005.