TY  - RPRT
TI  - The need for vision.
AU  - L L Davenport
PY  - 1967
DO  - 10.1111/j.1749-6632.1967.tb14346.x
UR  - https://pubmed.ncbi.nlm.nih.gov/4166225/
ID  - 4166225
ER  -