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2. Selection and properties of some new dental materials;Braden;Dent Update,1974
3. A single method of increasing the adhesion of acrylic filling materials to enamel surfaces;Buonocore;J Dent Res,1955
4. Adhesion and adhesives;Brauer,1975
5. Kuhlzer and Ivoclar Patents. Dtsch Offerlegungschrift 2,403,211 and 2,405,518, 1975.