TY  - JOUR
AU  - Parker, Thomas
C2  - Metrologia
DA  - 2009-12-07
LA  - en
M1  - 47
PB  - Metrologia
PY  - 2009
TI  - Long-term comparison of caesium fountain primary frequency standards
UR  - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=903472
ER  -