http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
1. Radiation and its discovery -- 2. The X-Ray beam -- 3. Radiographic image formation -- 4. Radiographic image quality: photographic properties -- 5. Radiographic image quality: geometric properties -- 6. Scatter control -- 7. Image receptors -- 8. Radiographic film processing -- 9. Sensitometry -- 10. Exposure factor selection -- 11. Automatic exposure control -- 12. Digital imaging