Do primates see the solitaire illusion differently? A comparative assessment of humans (Homo sapiens), chimpanzees (Pan troglodytes), rhesus monkeys (Macaca mulatta), and capuchin monkeys (Cebus apella)
Journal of Comparative Psychology (2014) - Comment
pubmed: 25133464  doi: 10.1037/a0037499  issn: 1939-2087  issn: 0735-7036 

Christian Agrillo, Audrey E. Parrish, Michael J. Beran