1. Australian/New Zealand Standard (AS/NZS) 3200.1.3:1996) (1996) Approval and test specification—medical electrical equipment. Part 1.3: General requirements for safety –collateral standard: requirements for radiation protection in diagnostic X-ray equipment (The Standard has been reproduced from the International Electrotechnical Commission (IEC) 601-1-3:1994, medical electrical equipment, Part 1: General requirements for safety – 3. Collateral standard: general requirements for radiation protection in diagnostic X-ray equipment)
2. National Council on Radiation Protection and Measurements (NCRP) (2005) Structural shielding design for medical X-ray imaging facilities. NCRP Report No. 147. Bethesda, Maryland
3. National Council on Radiation Protection and Measurements (NCRP) (1976) Structural shielding design and evaluation for medical use of X rays and gamma rays of energies up to 10 MeV. NCRP Report No. 49. Bethesda, Maryland
4. Archer BR, Thornby JI, Bushong SC (1983) Diagnostic X-ray shielding design based on an empirical model of photon attenuation. Health Phys 44(5):507–517
5. The Ionizing Radiation Regulations (1985) Regulations made under the Radiation Protection and Control Act, 1982. The South Australian Government Gazette, 4 April pp 993–1107