1. Gallagher A. Dowling A. Faulkner R.et al. (2014).Quality Assurance Testing in the 21st Century – Are We Still in the Dark Ages? Radiological Society of North America 2014 Scientific Assembly and Annual Meeting.
2. Chest Radiography: Optimization of X-ray Spectrum for Cesium Iodide–Amorphous Silicon Flat-Panel Detector
3. The Current Concept of Speed Should Not Be Used to Describe Digital Imaging Systems
4. Internation Organization for Standardization(2004).9236‐1:2004 Photography – Sensitometry of Screen/Film Systems for Medical Radiography – Part 1: Determination of Sensitometric Curve Shape Speed and Average Gradient. pp. 20.