@conference{179866,
  author = {Svenja Knappe and Vladislav Gerginov and V Shah and Alan Brannon and Hugh Robinson and Leo Hollberg and John Kitching},
  title = {Long-Term Stability of Chip-Scale Atomic Clock Physics Packages},
  year = {2007},
  number = {6466},
  month = {2007-01-20},
  publisher = {Proc. SPIE Conf., San Jose, CA},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=50473},
  language = {en},
}