TY  - RPRT
TI  - Response Classification Images in Vernier Acuity
AU  - Ahumada, Albert J., Jr.
AU  - Beard, B. L.
AU  - Ellis, Stephen R.
PY  - 1997
UR  - https://ntrs.nasa.gov/citations/20020051883
ID  - 20020051883
ER  -