Tjan, BS Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society; Max Planck Institute for Biological Cybernetics, Max Planck Society;
https://jov.arvojournals.org/article.aspx?articleid=2121641 (Publisher version)
Tjan, B., & Liu, Z. (2005). Symmetry impedes symmetry discrimination. Journal of Vision, 5(10), 888-900. doi:10.1167/5.10.10.