TY  - RPRT
TI  - Retinal has a highly dipolar vertically excited singlet state: implications for vision.
AU  - R Mathies
AU  - L Stryer
PY  - 1976
DO  - 10.1073/pnas.73.7.2169
UR  - https://pubmed.ncbi.nlm.nih.gov/1065867/
ID  - 1065867
ER  -