@conference{121891,
  author = {Thomas Parker and Judah Levine},
  title = {Recent Improvements in the Performance of the NIST AT1 Time Scale},
  year = {1996},
  month = {1996-01-01},
  publisher = {1996 IEEE Int. Freq. Cont. Symp. , Honolulu, HI},
  language = {en},
}