@ARTICLE{Tre10,
    author = "Treder, Matthias Sebastian",
    title = "Behind the Looking-Glass: A Review on Human Symmetry Perception",
    journal = "Symmetry",
    year = "2010",
    volume = "2",
    pages = "1510--1543",
    number = "3",
    url = "http://www.mdpi.com/2073-8994/2/3/1510"
}