1. Average faces are attractive, but very attractive faces are not average;Alley;Psychol Sci,1991
2. Comparative integumental relationships;Altemus;Angle Orthod,1962
3. The golden number: application to craniofacial evaluation;Amoric;Funct Orthod,1995
4. Facial and dental planning for orthodontists and oral surgeons;Arnett,2004
5. Euclid: the creation of mathematics;Artmann,1999