1. Why essences are essential in the psychology of concepts;Ahn;Cognition,2001
2. Constraints on conceptual development;Astuti;Monographs of the Society for Research in Child Development,2004
3. Cognitive foundations of natural history;Atran,1990
4. Causal constraints on categories and categorical constraints on biological reasoning across cultures;Atran,1995
5. More than words: A reply to Malt and Sloman;Bloom;Cognition,2007