@misc{indiciaeed7ccd19287c,
  title = {An improved Green's function for ion beam transport.},
  author = {J Tweed and J W Wilson and R K Tripathi},
  year = {2004},
  doi = {10.1016/j.asr.2003.11.021},
  url = {https://pubmed.ncbi.nlm.nih.gov/15880918/},
  note = {Source identifier: 15880918}
}