TY  - RPRT
TI  - Hybrid diffractive-refractive achromatic spectacle lenses.
AU  - W N Charman
PY  - 1994
DO  - 10.1016/0275-5408(94)90165-1
UR  - https://pubmed.ncbi.nlm.nih.gov/7845697/
ID  - 7845697
ER  -