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Pellegrini, Anthony D. and Hou, Yuefeng (2011) The development of preschool children's (Homo sapiens) uses of objects and their role in peer group centrality. Journal of Comparative Psychology, 125 (2). pp. 239-245. ISSN 0735-7036 (Print), 1939-2087 (Online) (doi:10.1037/a0023046)

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Uher, Jana ORCID: https://orcid.org/0000-0003-2450-4943 and Call, Josep (2008) How the great apes (Pan troglodytes, Pongo pygmaeus, Pan paniscus, Gorilla gorilla) perform on the reversed reward contingency task II: Transfer to new quantities, long-term retention, and the impact of quantity ratios. Journal of Comparative Psychology, 122 (2). pp. 204-212. ISSN 0735-7036 (Print), 1939-2087 (Online) (doi:10.1037/0735-7036.122.2.204)