1. The selection of patients for X-ray examinations: dental radiographic examinations,1987
2. Dental X-ray protection;National Council on Radiation Protection and Measurements,1970
3. Recommendations for radiographic darkrooms and darkroom practices;Council on Dental Materials, Instruments, and Equipment;JADA,1982
4. Biological effects of radiation from dental radiography;Council on Dental Materials, Instruments, and Equipment;JADA,1982