@misc{indiciaee7f6b7ca6882,
  title = {A vacuum ultraviolet spectrophotometric system},
  author = {Spann, James F. and Keffer, Charles E. and Zukic, Muamer},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19960001502},
  note = {Source identifier: 19960001502}
}