Relationship between Viewing Distance and Visual Fatigue in Relation to Feeling of Involvement. - Kiyomi Sakamoto; Shoichi Aoyama; Shigeo Asahara; Kuniko Yamashita; Akira Okada (APCHI, 2008)

Relationship between Emotional State and Pupil Diameter Variability under Various Types of Workload Stress. - Kiyomi Sakamoto; Shoichi Aoyama; Shigeo Asahara; Haruki Mizushina; Hirohiko Kaneko (HCI (15), 2009)