1. Emotional aspects of prosthodontic patients;Pilling;J Prosthet Dent,1973
2. Human factors in prosthodontic treatment;Koper;J Prosthet Dent,1973
3. A method for the classification of errors in dental esthetics;Lombardi;J Prosthet Dent,1974
4. Non-parametric Statistics for the Behavioural Sciences;Siegal,1956
5. Esthetic factors in anterior tooth restoration;Culpepper;J Prosthet Dent,1973