1. On the asymmetry of the human skull;Woo;Biometrika,1931
2. Asymmetry of the face;Figalová;Anthropologie,1969
3. An assessment of asymmetry in the normal craniofacial complex;Shah;Angle Orthod,1978
4. Facial asymmetry in healthy North American Caucasians. An anthropometrical study;Farkas;Angle Orthod,1981
5. Anthropometry of the head and face;Farkas,1994