1. From the State Institute of Human Genetics and Race Biology;Björk,1947
2. General Considerations of the Diagnostic Problem;Brodie;Angle Orthodontist,1953
3. Dentofacial Asymmetries and Treatment Procedures;Cheney;Am. J. Orthodontics,1952
4. Second and Third Molars: Their Role in Orthodontic Therapy;Chipman;Am. J. Orthodontics,1961
5. Dental Anatomy;Diamond,1938