TY  - RPRT
TI  - Whimsy or progress. How can we tell?
AU  - R J Olson
PY  - 1993
DO  - 10.1001/archopht.1993.01090030036031
UR  - https://pubmed.ncbi.nlm.nih.gov/8447736/
ID  - 8447736
ER  -