1. The incidence of secondary dentine in carious teeth;Corbett;Br. Dent. J.,1963
2. A study of approximal carious lesions in primary molars;Dwyer;J. Int. Assoc. Dent. Child.,1973
3. Thickness of enamel-dentine of deciduous teeth;Kurer,1938
4. The microradiographic features of dentine caries;Levine;Br. Dent. J.,1974