TY  - RPRT
TI  - Visual perception and xerography.
AU  - H F Crovitz
AU  - H Schiffman
PY  - 1968
DO  - 10.1126/science.160.3833.1251
UR  - https://pubmed.ncbi.nlm.nih.gov/5648267/
ID  - 5648267
ER  -