TY  - RPRT
TI  - A program for adding and subtracting refractive powers with oblique crossed cylinders.
AU  - C Huber
PY  - 1985
DO  - 10.1016/s0146-2776(85)80026-4
UR  - https://pubmed.ncbi.nlm.nih.gov/3838740/
ID  - 3838740
ER  -