@misc{indiciae240d2502636a,
  title = {Atomic Data and Spectral Line Intensities for Ca IX},
  author = {Landi, E. and Bhatia, A. K.},
  year = {2012},
  url = {https://ntrs.nasa.gov/citations/20120015549},
  note = {Source identifier: 20120015549}
}