@misc{indiciaeb188d4d33324,
  title = {Structure of a normal ionizing shock wave in argon.},
  author = {Axford, W. I. and Perona, G. E.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680043097},
  note = {Source identifier: 19680043097}
}