1. G.H. Ryckewaert, Proceedings of the 9th International Conference, 1981, p. 241.
2. Operation of A 40-inch radial ridge cyclotron
3. Study of Axial Injection for the Grenoble Cyclotron
4. J.L. Belmont, J.L. Pabot, Institut des Sciences Nucleaires, Rapport Interne, Vol. 3 (1966) pp. 1–25.
5. L.W. Root, M.Sc. Thesis, Univ. of British Columbia, 1972.