Koji Takahashi Minoru Nakayama Yasutaka Shimizu The response of eye-movement and pupil size to audio instruction while viewing a moving target. 131-138 2000 conf/etra/2000 ETRA http://doi.acm.org/10.1145/355017.355043 db/conf/etra/etra2000.html#TakahashiNS00