Chua, S. H., Yang, S. S., & Gumert, M. D. (2009). Relationship between facial symmetry and perceived health and attractiveness, with a test of the ability of Homo sapiens to discriminate facial symmetry across species.

Chua, Sok Hoon, Shan Shan Yang, and Michael David Gumert. Relationship between Facial Symmetry and Perceived Health and Attractiveness, With a Test of the Ability of Homo Sapiens to Discriminate Facial Symmetry Across Species. 2009.

Chua, Sok Hoon, Shan Shan Yang, and Michael David Gumert. Relationship between Facial Symmetry and Perceived Health and Attractiveness, With a Test of the Ability of Homo Sapiens to Discriminate Facial Symmetry Across Species. 2009.