@inproceedings{PourmehrMVM13,
 author = {S. Pourmehr and V. Monajjemi and R. Vaughan and G. Mori},
 title = {"You two! Take off!": Creating, Modifying and Commanding Groups of Robots Using Face Engagement and Indirect Speech in Voice Commands},
 booktitle = {IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS)},
 year = 2013
}