TY  - RPRT
TI  - Bow-tie effect: differential operator.
AU  - Albertina Castro
AU  - Jorge Ojeda-Castañeda
AU  - Adolf W Lohmann
PY  - 2006
DO  - 10.1364/ao.45.007878
UR  - https://pubmed.ncbi.nlm.nih.gov/17068523/
ID  - 17068523
ER  -