@article{1741-2552-14-2-026017,
	author={Wei-Long Zheng and Bao-Liang Lu},
	title={A multimodal approach to estimating vigilance using EEG and forehead EOG},
	journal={Journal of Neural Engineering},
	volume={14},
	number={2},
	pages={026017},
	url={http://stacks.iop.org/1741-2552/14/i=2/a=026017},
	year={2017},
}