@incollection{Yamada09,
author = {Anja Austermann and Seiji Yamada},
title = {Learning to Understand Expressions of Approval and Disapproval through Game-Based Training Tasks},
booktitle = {Advances in Human-Robot Interaction},
publisher = {IntechOpen},
address = {Rijeka},
year = {2009},
editor = {Vladimir A. Kulyukin},
chapter = {18},
doi = {10.5772/6840},
url = {https://doi.org/10.5772/6840}
}