@misc{indiciaef2dc6b604950,
  title = {Computational methods for the HZETRN code.},
  author = {J Tweed and S A Walker and J W Wilson and F A Cucinotta and R K Tripathi and S Blattnig and C J Mertens},
  year = {2005},
  doi = {10.1016/j.asr.2005.03.019},
  url = {https://pubmed.ncbi.nlm.nih.gov/15934194/},
  note = {Source identifier: 15934194}
}