@misc{indiciaea33ba68c8076,
  title = {Positron reflection from the surface potential.},
  author = {DT Britton and PA Huttunen and J Mäkinen and E Soininen and A Vehanen},
  year = {1989},
  doi = {10.1103/physrevlett.62.2413},
  url = {https://pubmed.ncbi.nlm.nih.gov/10039979/},
  note = {Source identifier: 10039979}
}