1. Boyde, A. The structure of developing mamalian dental enamel. In:M. V. Stack, R. W. Fearnhead (Ed.): Tooth enamel I.J. Wright, Bristol 1965.
2. Boyde, A. Scanning electron microscopy of the completed enamel surface. In:R. W. Fearnhead, M. V. Stack (Ed.): Tooth enamel II.J. Wright, Bristol 1971.
3. Buonocore, M. G. A simple method of increasing the adhesion of acrylic filling materials to enamel surfaces. J. dent. Res. 34 (1955), 849.
4. Buonocore, M.-G. Penetration of resin dental materials into enamel surfaces with reference to bonding. Arch. oral Biol. 13 (1968), 61.
5. Castagnola, L., J. Wirz, R. Garberoglio Die Schmelzätzung für die konservierende Zahnbehandlung. Schweiz. Mschr. Zahnheilk. 85 (1975), 975.