@misc{indiciaee6ce0917520d,
  title = {Positron diffusion in Si.},
  author = {B Nielsen and KG Lynn and A Vehanen and PJ Schultz},
  year = {1985},
  doi = {10.1103/physrevb.32.2296},
  url = {https://pubmed.ncbi.nlm.nih.gov/9937300/},
  note = {Source identifier: 9937300}
}