@incollection{Rossano2014,
author = {Rossano, Federico and Liebal, Katja},
year = {2014},
isbn = {9789027226365},
language = {eng},
copyright = {http://www.fu-berlin.de/sites/refubium/rechtliches/Nutzungsbedingungen},
title = {“Requests” and “offers” in orangutans and human infants},
booktitle = {Requesting in Social Interaction},
pages = {335 - 364},
url = "http://dx.doi.org/10.17169/refubium-25408",
}