@INPROCEEDINGS {12089,
author={J.C. Miranda and X. Alvarez and J.A. Soleno and A.A.S Sousa and I.F Fernández and V. Orvalho},
doi={},
booktitle={ACM Symp. on Applied Perception - SAP},
title={Perceiving Interactive Sketching Through Facial Expressions},
year={2012},
month={August},
volume={1},
pages={1-1} 
}
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