1. The latest and best in orthodontic mechanism;Angle;Dent Cosmos,1928
2. The straight-wire appliance—explained and compared;Andrews;J Clin Orthod,1974
3. Torque and its application to orthodontics;Rauch;Am J Orthod,1959
4. A mechanical evaluation of buccal segment reaction to edgewise torque;Schrody;Angle Orthod,1974
5. The mechanics of the segmented arch techniques;Burstone;Angle Orthod,1966