@inproceedings{AGTB2013,
   author = "Ahn, Junghyun and Gobron, Stephane and Thalman, Daniel and Boulic, Ronan",
   title = "Asymmetric facial expressions: revealing richer emotions for embodied conversational agents. Comp. Anim. Virtual Worlds",
   volume = "24",
   pages = "539–551",
   year = "2013",
   doi = "10.1002/cav.1539"
}