@inbook {189,
	title = {SideWays: a Gaze Interface for Spontaneous Interaction with Situated Displays},
	booktitle = {Proceedings of the SIGCHI Conference on Human Factors in Computing Systems (CHI {\textquoteright}13)},
	year = {2013},
	pages = {851-860},
	publisher = {ACM},
	organization = {ACM},
	author = {Yanxia Zhang and Andreas Bulling and Hans Gellersen}
}
@inbook {188,
	title = {Towards Pervasive Eye Tracking using Low-level Image Features},
	booktitle = {Proceedings of the Symposium on Eye Tracking Research and Applications},
	series = {ETRA {\textquoteright}12},
	year = {2012},
	pages = {261-264},
	publisher = {ACM},
	organization = {ACM},
	isbn = {978-1-4503-1221-9},
	author = {Yanxia Zhang and Andreas Bulling and Hans Gellersen}
}
@inbook {187,
	title = {Discrimination of Gaze Directions using Low-level Eye Image Features},
	booktitle = {Proceedings of the 1st international workshop on pervasive eye tracking 38; mobile eye-based interaction},
	series = {PETMEI {\textquoteright}11},
	year = {2011},
	pages = {9-14},
	publisher = {ACM},
	organization = {ACM},
	isbn = {978-1-4503-0930-1},
	author = {Yanxia Zhang and Andreas Bulling and Hans Gellersen}
}
