@misc{indiciae138dee543566,
  title = {Spatial incoherence in phase retrieval based on focus variation.},
  author = {A V Martin and F-R Chen and W-K Hsieh and J-J Kai and S D Findlay and L J Allen},
  year = {2006},
  doi = {10.1016/j.ultramic.2006.04.008},
  url = {https://pubmed.ncbi.nlm.nih.gov/16759807/},
  note = {Source identifier: 16759807}
}