@misc{indiciae3b80e8e1f498,
  title = {Composite-type Rb-87 optical-pumping light source for the rubidium frequency standard},
  author = {Oura, N. and Kuramochi, N. and Naritsuka, S. and Hayashi, T.},
  year = {1982},
  url = {https://ntrs.nasa.gov/citations/19820012659},
  note = {Source identifier: 19820012659}
}