@misc{indiciaea402af241f01,
  title = {Instabilities in line-driven stellar winds. IV - Linear perturbations in three dimensions},
  author = {Rybicki, G. B. and Owocki, S. P. and Castor, J. I.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19900035520},
  note = {Source identifier: 19900035520}
}