@article{fridman2016driver,  
title={Driver Gaze Region Estimation without Use of Eye Movement},  
author={Fridman, Lex and Langhans, Philipp and Lee, Joonbum and Reimer, Bryan},  
journal={IEEE Intelligent Systems},  
volume={31},  
number={3},  pages={49--56},  
year={2016},  
publisher={IEEE}
}