@misc{indiciae0adb1936c5fa,
  title = {High-pressure ruby and diamond fluorescence - Observations at 0.21 to 0.55 terapascal},
  author = {Xu, J. A. and Mao, H. K. and Bell, P. M.},
  year = {1986},
  url = {https://ntrs.nasa.gov/citations/19860057861},
  note = {Source identifier: 19860057861}
}