1. A posttreatment evaluation of direct bonding in orthodontics;Zachrisson;Am J Orthod,1977
2. Bonding plastic orthodontic attachments to enamel;Newman;J NJ Dent Soc,1965
3. Bonding. The state of the art A national survey;Gorelick;J Clin Orthod,1979
4. Practical methods of bonding, direct and indirect;Brandt;J Clin Orthod,1975
5. Bonding systems in orthodontics;Maijer,1982