References
- Adams, C. P. (1970) The design and construction of removable orthodontic appliances, 4th edn, Bristol: Wrights.
- Dickson, G. C. (1964) Orthodontics in general practice, London: Pitman Medical.
- Rodger, A. (1963) The self-activating labial arch, British Dental Journal, 115, 377.
- Shotts, A. (1963) The self-activating labial arch, British Dental Journal, 115, 429.
- Tulley, W. J. and Campbell, A. C. (1970) A manual of practical orthodontics, Bristol: Wrights.