@misc{indiciae8664f971eb59,
  title = {Expressions for aberration coefficients using nonlinear transforms.},
  author = {V Lakshminarayanan and S Varadharajan},
  year = {1997},
  doi = {10.1097/00006324-199708000-00030},
  url = {https://pubmed.ncbi.nlm.nih.gov/9323740/},
  note = {Source identifier: 9323740}
}