TY  - RPRT
TI  - New photokeratoscope utilizing a hemispherical object surface.
AU  - H A KNOLL
AU  - R STIMSON
AU  - C L WEEKS
PY  - 1957
DO  - 10.1364/josa.47.000221
UR  - https://pubmed.ncbi.nlm.nih.gov/13406658/
ID  - 13406658
ER  -