References
- The Committee of Enquiry into Unnecessary Dental Treatment (1968) ISBN 0 11 321051 5, H.M.S.O.
- Muir, J. D. (1987) Report of the Occlusal Index Committee Dental Practice, 25, No. 18, p. 9.
- Report of the Occlusal Index Committee D.H.S.S., EPS2A3 Division, Hannibal House, SE1 6TE.