TY  - RPRT
TI  - Ray tracing through a toric refracting surface.
AU  - G A Fry
AU  - D S Loshin
PY  - 1975
DO  - 10.1097/00006324-197504000-00003
UR  - https://pubmed.ncbi.nlm.nih.gov/1130489/
ID  - 1130489
ER  -