@misc{indiciae6a1b6f3f4b59,
  title = {Analytical formulae for the inverse bremsstrahlung absorption coefficient},
  author = {Stallcop, J. R. and Billman, K. W.},
  year = {1974},
  url = {https://ntrs.nasa.gov/citations/19750036953},
  note = {Source identifier: 19750036953}
}