@article{1333951,
  author = {Jabez McClelland},
  title = {Natural Linewidth of the 401-nm Laser-Cooling Transition in Er I},
  year = {2006},
  number = {73},
  month = {2006-06-20 00:06:00},
  publisher = {Physical Review A (Atomic, Molecular and Optical Physics)},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=620585},
  language = {en},
}