1. Using the Ultrasonic Dental Unit in Restorative Technics;Illinois D. J.,1956
2. The Ultrasonic Dental Unit in Pedodontics;Zinner;J. Den. Children,1956
3. Ultrasonic Cavity Preparation. Preliminary Report;Oman;New York D. J.,1954
4. Ultrasonic Cavity Preparation II. Progress Report;Oman;J.A.D.A.,1955
5. Application of the Ultrasonic Dental Handpiece. Preliminary Report;Roth;W. Virginia D. J.,1956