@misc{indiciae735e9c9842c7,
  title = {Electron loss at backward observation angles.},
  author = {J Wang and CO Reinhold and J Burgdörfer},
  year = {1991},
  doi = {10.1103/physreva.44.7243},
  url = {https://pubmed.ncbi.nlm.nih.gov/9905866/},
  note = {Source identifier: 9905866}
}