@InProceedings{Li_2013_2,
 author = {N. Li and C. Busso},
 title = {Evaluating the Robustness of an Appearance-based Gaze Estimation Method for Multimodal Interfaces},
 booktitle = {International conference on multimodal interaction (ICMI 2013)},
 year = {2013},
 month = {December},
 pages = {91-98},
 address = {Sydney, Australia},
 doi={10.1145/2522848.2522876},
}