TY  - RPRT
TI  - Focal shift, optical transfer function, and phase-space representations.
AU  - C J Sheppard
AU  - K G Larkin
PY  - 2000
DO  - 10.1364/josaa.17.000772
UR  - https://pubmed.ncbi.nlm.nih.gov/10757186/
ID  - 10757186
ER  -