TY  - RPRT
TI  - Dichromacy in the ground squirrel.
AU  - G H Jacobs
AU  - R L Yolton
PY  - 1969
DO  - 10.1038/223414a0
UR  - https://pubmed.ncbi.nlm.nih.gov/5823276/
ID  - 5823276
ER  -