TY  - RPRT
TI  - Astigmatism analysis by the Alpins method.
AU  - N Alpins
PY  - 2001
DO  - 10.1016/s0886-3350(00)00798-7
UR  - https://pubmed.ncbi.nlm.nih.gov/11165856/
ID  - 11165856
ER  -