@conference{444,
  author = {T. Parker and P. Hetzel and S. Jefferts and S. Weyers and L. Nelson and A. Bauch and Judah Levine},
  title = {First comparison of remote cesium fountains},
  year = {2001},
  publisher = {IEEE},
  address = {Seattle, WA, USA},
  doi = {10.1109/FREQ.2001.956161},
}