@conference{122901,
  author = {C Hackman and Judah Levine},
  title = {New Frequency Comparisons Using GPS Carier-Phase Time Transfer},
  year = {2003},
  month = {2003-01-01},
  publisher = {2003 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and EFTF Conf , Tampa, FL},
  language = {en},
}