@conference{7888,
  author = {D. Allan and D. Glaze and John Gray and R. Jones and Judah Levine and S. Stein},
  title = {Recent improvements in the atomic time scales of the National Bureau of Standards},
  year = {1983},
  url = {http://www.pttimeeting.org/archivemeetings/1983papers/Vol\%2015_03.pdf},
  note = {JILA Pub. 4733},
}