1. The Michigan State University Superconducting Cyclotron Program
2. D.P. May, W. Chapman, G. Derrig, D.R. Haenni, A. Horbowa, B. Laune, J. Reimund, R.C. Rogers, P. Smelser, W. Walterscheid, D.H. Youngblood, F. Marti (Ed.), Proceedings of the 10th International Conference on Cyclotrons and Their Applications (East Lansing), IEEE Publishing Services, New York, 1984, p. 267.
3. R.K. Bhandari, Proceedings of the 15th International Conference on Cyclotrons and Their Applications, Caen, 1998, p. 692.
4. Trimming of the magnetic field for the K-500 cyclotron at M.S.U.