TY  - RPRT
TI  - A three-sided object for perimetry.
AU  - E HOLM-PEDERSEN
PY  - 1950
DO  - 10.1111/j.1755-3768.1950.tb05374.x
UR  - https://pubmed.ncbi.nlm.nih.gov/14846556/
ID  - 14846556
ER  -