The effects of luminance, size, and duration of a visual line on apparent vertical while the head is being inclined in roll
Attention Perception & Psychophysics (2015) - Comment
pubmed: 25348583  doi: 10.3758/s13414-014-0774-4  issn: 1943-393x  issn: 1943-3921 

Atsuki Higashiyama, Takashi Murakami