TY  - RPRT
TI  - Generalized phase-shifting interferometry with arbitrary unknown phase steps for diffraction objects.
AU  - L Z Cai
AU  - Q Liu
AU  - X L Yang
PY  - 2004
DO  - 10.1364/ol.29.000183
UR  - https://pubmed.ncbi.nlm.nih.gov/14744004/
ID  - 14744004
ER  -