1. Screen-Film Combinations Used for Cephalometric Radiography;Hurlburt;Oral Surg,1978
2. An Introduction to the Physics of Diagnostic Radiology;Christensen,1978
3. Fatouros, P. P., Rao, G. U. V., and Gibbs, S. J.: Evaluation of New Screen-Film Systems for Cephalometric Radiography, Am. J. Orthod. (In press.)
4. Prospects for X-ray Reduction Using Rare Earth Intensifying Screens;Wagner;Radiology,1976
5. May Fast Screen-Film Combinations Be Used for Cephalometry?;Halse;Br. J. Orthod,1978