@conference{798616, author = {L Nelson and Judah Levine and Tom Parker and K Larson and P Hetzel and Juergen Becker}, title = {Comparison of atomic frequency standards at NIST and PTB using carrier-phase GPS, ed. by L.A. Breakiron}, year = {2000}, month = {2000-01-01 00:01:00}, publisher = {Proc. 31st Annual Precise Time and Time Interval (PTTI) Meeting, Washington, DC, US}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=106801}, language = {en}, }