@misc{indiciae18c8108a1fd3,
  title = {Mercury discharge devices and technology.},
  author = {Hall, D. F. and Kemp, R. F. and Shelton, H.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19670059974},
  note = {Source identifier: 19670059974}
}