TY  - RPRT
TI  - Ray vector fields, prentice's equation, and spherocylindrical lenses.
AU  - W F Harris
PY  - 1997
DO  - 10.1097/00006324-199702000-00025
UR  - https://pubmed.ncbi.nlm.nih.gov/9097330/
ID  - 9097330
ER  -