Bortolini TS, Bicca-Marques JC. A case of spontaneous tool-making by a captive capuchin monkey. Neotrop. Primates [Internet]. 2007 Aug. 1 [cited 2024 Jul. 4];14(2):74-6. Available from: https://primate.socgen.ucla.edu/index.php/multivitaminic/article/view/644