@misc{indiciae77496038799c,
  title = {Finite-difference method for the calculation of low-energy-electron diffraction.},
  author = {Y Joly},
  year = {1992},
  doi = {10.1103/physrevlett.68.950},
  url = {https://pubmed.ncbi.nlm.nih.gov/10046040/},
  note = {Source identifier: 10046040}
}