Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Jiro Gyoba and Kenzo Sakurai,Optimal occluder luminance for seeing stationary visual phantoms,Vision Research,0042-6989,Elsevier BV,1985-01-01,25,,1735-1740,https://cir.nii.ac.jp/crid/1872272492963278720,https://doi.org/10.1016/0042-6989(85)90146-4