@misc{indiciae2c55d268261f,
  title = {The singly ionized krypton ion laser.},
  author = {Marantz, H. and Rudko, R. I. and Tang, C. L.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690048649},
  note = {Source identifier: 19690048649}
}