Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Oikawa Akira and Muro Takayuki and Miki Norihisa,Wearable Line-of-Sight Detection System Using Transparent Optical Sensor Arrays,Journal of the Robotics Society of Japan,02891824,The Robotics Society of Japan,2011,29,4,369-375,https://cir.nii.ac.jp/crid/1390282679705897984,https://doi.org/10.7210/jrsj.29.369