1. The latest and best in orthodontic mechanism;Angle;Dent Cosmos,1928
2. Technique and treatment with the lightwire appliances;Jarabak,1963
3. Space closure in extraction cases;Lewis;AM J ORTHOD,1950
4. The straight-wire appliance;Andrews;J Clin Orthod,1976
5. The Russell attachment and its improved advantages;Stolzenberg;Int J Orthod Dent Children,1935