1) R. Stone: Neutron therapy and specific ionization. Amer. J. Roentgenol., 59, 771-85 (1948)
2) M. Catterall: The continued investigation of the clinical effects of fast neutrons. Proceedings of an International Workshop, “Particle Radiation Therapy”p.425-34. Oct. 1-3, Key Biscayne, Florida, Amer. Col. Radiology (1975)
3) D. Hussey, R.G. Parker and C. Rogers: A preliminary report of the fast neutron therapy pilot studies in the United States. ibid., p.435-50
4) Y. Umegaki: Current status of neutron therapy in Japan. ibid., p.469-84