1. Adaptation and the hybrid prosthesis;Brill;J Prosthet Dent,1955
2. The use of prefabricated precision attachments;Nally;Int Dent J,1961
3. Classification and selection of attachments;Mensor;J Prosthet Dent,1973
4. Prevention of complete denture problems by use of overdentures;Dodge;J Prosthet Dent,1973
5. Fabrication of a simple ball-socket attachment;Quinlivan;J Prosthet Dent,1974