1. Performance standards for ionizing radiation emitting products, diagnostic x-ray systems and their major components, computer tomography (CT) equipment 1984
2. European Commission. Quality Criteria for Computed Tomography 1999
3. American Association of Physicists in Medicine AAPM Specification and Acceptance Testing of Computer Tomography Scanners 1993
4. Evaluation and routine testing in medical imaging departments. Part 2.6: Constancy tests-X-Ray equipment for computer tomography 1995
5. Evaluation and Routine Testing in Medical Imaging Departments-Part 2-6: Constancy Tests-X-ray Equipment for Computer Tomography 1994