TY  - RPRT
TI  - [The checkerboard pattern, an only binocularly perceived flicker pattern].
AU  - E Welpe
PY  - 1975
DO  - 10.1016/0042-6989(75)90175-3
UR  - https://pubmed.ncbi.nlm.nih.gov/1198942/
ID  - 1198942
ER  -