@misc{indiciae00a86cbbe54f,
  title = {Vacuum ultraviolet light source utilizing rare gas scintillation amplification sustained by photon positive feedback},
  author = {Aprile, Elena and Chen, Danli},
  year = {1995},
  url = {https://ntrs.nasa.gov/citations/20080004775},
  note = {Source identifier: 20080004775}
}