TY  - RPRT
TI  - Spectral sharpening with positivity
AU  - MS Drew
AU  - GD Finlayson
PY  - 2000
DO  - 10.1364/josaa.17.001361
UR  - https://pubmed.ncbi.nlm.nih.gov/10935863/
ID  - 10935863
ER  -