Manu Kumar Jeff Klingner Rohan Puranik Terry Winograd Andreas Paepcke Improving the accuracy of gaze input for interaction. 65-68 2008 ETRA http://doi.acm.org/10.1145/1344471.1344488 conf/etra/2008 db/conf/etra/etra2008.html#KumarKPWP08