@inproceedings{inproceedingse9feebc9,
title   = {Characteristics of hammer stones and anvils used by wild bearded capuchin monkeys (cebus libidinosus)},
author = {Visalberghi, Elisabetta and Fragaszy, Dorothy and Ottoni, Eduardo Benedicto and Izar, Patricia and Oliveira, M. G. de and Andrade, Fábio Ramos Dias de},
year = {2006},
publisher = {IPS - International Primatological Society},
booktitle   = {Congress of the International Primatological Society}
}