@misc{indiciae299e8d886b99,
  title = {An X-Ray Analysis Database of Photoionization Cross Sections Including Variable Ionization},
  author = {Wang, Ping and Cohen, David H. and MacFarlane, Joseph J. and Cassinelli, Joseph P.},
  year = {1997},
  url = {https://ntrs.nasa.gov/citations/19970018492},
  note = {Source identifier: 19970018492}
}