1. Investigations into the mineralisation pattern of human dental enamel;Allan;J. dent. Res.,1959
2. Experimental studies on the permeability of enamel and dentine;Berggren;Svensk Tandläk. Tidskr.,1947
3. The structure and development of mammalian enamel;Boyde;Ph.D. thesis,1964
4. Enamel structure and cavity margins;Boyde;Operat. Dent.,1976
5. The pattern of mineralisation of human dental enamel;Crabb,1959