@conference{56936,
  author = {Esther Baumann and Fabrizio Giorgetta and Ian Coddington and William Swann and Nathan Newbury},
  title = {Dual frequency combs at 3.4 µm with subhertz residual linewidths},
  year = {2010},
  month = {2010-05-01},
  publisher = {2010 Conference of Lasers and Electro-optics (CLEO)and International Quantum Electronics Conference (IQEC), San Jose, CA},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=904566},
  language = {en},
}