@misc{indiciae74d41c34630b, title = {[The checkerboard pattern, an only binocularly perceived flicker pattern].}, author = {E Welpe}, year = {1975}, doi = {10.1016/0042-6989(75)90175-3}, url = {https://pubmed.ncbi.nlm.nih.gov/1198942/}, note = {Source identifier: 1198942} }