TY  - RPRT
TI  - An electronic checkerboard pattern generator for vision research.
AU  - T E Spraker
AU  - D W Arnett
PY  - 1977
DO  - 10.1016/0013-4694(77)90033-5
UR  - https://pubmed.ncbi.nlm.nih.gov/65262/
ID  - 65262
ER  -