References
- Austen, K. (2013). Portrait of our preferences. New Scientist, 220(2939), 48–49. doi:10.1016/S0262-4079(13)62490-2
- Buss, D. M., Haselton, M. G., Shackelford, T. K., Bleske, A. L., & Wakefield, J. C. (1998). Adaptations, exaptations, and spandrels. American Psychologist, 53(5), 533–548. doi:10.1037/0003-066x.53.5.533.
- Chatterjee, A., Hamilton, R., & Amorapanth, P. (2006). Art produced by a patient with Parkinson's disease. Behavioural Neurology, 17, 105–108. doi:10.1155/2006/901832