@misc{indiciae99c576f41ee1,
  title = {Light shift effects in the Rb-87 maser},
  author = {Busca, G. and Tetu, M. and Vanier, J.},
  year = {1973},
  url = {https://ntrs.nasa.gov/citations/19740032371},
  note = {Source identifier: 19740032371}
}