title: Natural sources of internal category structure: typicality, familiarity, and similarity of birds.
authors.forename: J S
authors.initials: JS
authors.lastname: Boster
mesh_terms: D000818:Animals; D001717:Birds / Q000145:classification*; D004192:Discrimination, Psychological; D005556:Form Perception; D006801:Humans; D010364:Pattern Recognition, Visual