Expectations about numerical events in four lemur species (Eulemur fulvus, Eulemur mongoz, Lemur catta and Varecia rubra)

Animal Cognition (2005) - Comment
pubmed: 15729569 doi: 10.1007/s10071-005-0252-4 issn: 1435-9448 issn: 1435-9456

Laurie R. Santos, Jennifer L. Barnes, Neha Mahajan