References
- DENTAL RADIOLOGY. Wuehrmann, A. H. and Manson-Hing, L. R. (The C. V. Mosby Company, 1965).
- X-RAYS IN DENTISTRY. Eastman Kodak Company.
- GLOSSARY OF TERMS USED IN RADIOGRAPHIC PHOTOGRAPHY. Kodak Limited, London.
- THE FUNDAMENTALS OF RADIOGRAPHY. Eastman Kodak Company, 10th Edition, I960.
- DENTAL RADIOGRAPHY. Ilford Limited, London, England.
- RADIOGRAPHY OF THE SKULL AND BRAIN. Diaz, A. and Parera, C. E. Fourth Printing, 1968.
- Mr. B. G. HATFIELD. Scientific and General Pty. Ltd., Personal Communication.