1. The physics of radiation therapy;Kahn,1994
2. NCRP 49. Structural shielding design and evaluation for medical use of x rays and gamma rays of energies up to 10 MeV,1976
3. NCRP 51. Radiation protection design guidelines for 0.1–100 MeV particle accelerator facilities,1977
4. NCRP 79. Neutron contamination from medical accelerators,1984
5. A history of radiation shilding of x-ray therapy rooms;McGinley;Health Phys,1995