@misc{indiciaef158650cb89c,
  title = {Simple model for etching.},
  author = {GE Blonder},
  year = {1986},
  doi = {10.1103/physrevb.33.6157},
  url = {https://pubmed.ncbi.nlm.nih.gov/9939164/},
  note = {Source identifier: 9939164}
}