@misc{misc8d6466ef,
title   = {Spontaneous tool use in nut cracking by semi-free-ranging tufted capuchin monkeys (Cebus apella)},
author = {Ottoni, Eduardo Benedicto and Mannu, Massimo},
year = {1999},
publisher = {Blackwell Wissenschafts-Verlag},
booktitle   = {International Ethological Conference}
}