TY  - RPRT
TI  - Relation between accommodation and minimal gradient.
AU  - J USHIYAMA
AU  - C M BROOKS
PY  - 1961
DO  - 10.3181/00379727-108-26984
UR  - https://pubmed.ncbi.nlm.nih.gov/13923972/
ID  - 13923972
ER  -