@misc{indiciae36ac5a59a224,
  title = {Infrared pumping processes for SiO masers},
  author = {Geballe, T. R. and Townes, C. H.},
  year = {1974},
  url = {https://ntrs.nasa.gov/citations/19740055272},
  note = {Source identifier: 19740055272}
}