Differences in between-reinforcer value modulate the selective-value effect in great apes (Pan troglodytes, P. Paniscus, Gorilla gorilla, Pongo abelii)
Journal of Comparative Psychology (2016) - Comment
pubmed: 26460854  doi: 10.1037/com0000014  issn: 1939-2087  issn: 0735-7036 

Alejandro Sánchez-Amaro, Mar Peretó, Josep Call