Seed, A., & Call, J. (2009). Causal knowledge for events and objects in animals. In Shigeru Watanabe; Aaron P. Blaisdell; Ludwig Huber; Allan Young; Keio Gijuku Daigaku., & Centre for Advanced Research on Logic and Sensibility (Eds.), Rational Animals, Irrational Humans (pp. 173-188). Tokyo: Keio University.