@misc{indiciae1fdf5eae49c8,
  title = {Least-squares algorithm for phase-stepping interferometry with an unknown relative step.},
  author = {Hongwei Guo and Mingyi Chen},
  year = {2005},
  doi = {10.1364/ao.44.004854},
  url = {https://pubmed.ncbi.nlm.nih.gov/16114522/},
  note = {Source identifier: 16114522}
}