Bertenthal, B.I. and Longo, Matthew R. (2008) Motor knowledge and action understanding: a developmental perspective. In: Klatzky, R. and MacWhinney, B. and Behrmann, M. (eds.) Embodiment, Ego-Space, and Action. Carnegie Mellon Symposia on Cognition Series. Oxford, UK: Psychology Press, pp. 319-364. ISBN 9780805862881.