@misc{indiciae93ca0175d727,
  title = {Collision integral for ionization by electron impact for nonisotropic electron distribution functions.},
  author = {A Ganguli and S Kuhn},
  year = {1994},
  doi = {10.1103/physreva.49.3610},
  url = {https://pubmed.ncbi.nlm.nih.gov/9910660/},
  note = {Source identifier: 9910660}
}