TY  - RPRT
TI  - Alpha blocking during visual after-images.
AU  - P Eberlin
AU  - D Yager
PY  - 1968
DO  - 10.1016/0013-4694(68)90082-5
UR  - https://pubmed.ncbi.nlm.nih.gov/4174779/
ID  - 4174779
ER  -