1. Removable orthodontic appliances;Schwarz,1966
2. Handbook of orthodontics;Moyers,1965
3. Orthodontics in the undergraduate dental curriculum;Haryett,1967
4. The mechanics of the segmented arch techniques;Burstone;Angle Orthodont,1966
5. Force control in clinical practice;Stoner;Amer J Orthodont,1960