Psychophysical influence of mixed-reality visual stimulation on sense of hardness. - Yuichi Hirano; Asako Kimura; Fumihisa Shibata; Hideyuki Tamura (VR, 2011)

Dent-softness illusion in mixed reality space: Further experiments and considerations. - Yohei Sano; Yuichi Hirano; Asako Kimura; Fumihisa Shibata; Hideyuki Tamura (VR, 2013)