1. Maxillofacial Prosthetics: Principles and Concepts;Rahn,1970
2. Psychological, orthodontic and prosthetic approaches in rehabilitation of the cleft palate patient;Cooper;Dent Clin North Am,1960
3. Some observations on the pharyngeal airspace;Chierici;Cleft Palate J,1967
4. Principles of Cleft Palate Prosthesis: Aspects in the Rehabilitation of the Cleft Palate Individual;Harkins,1960