TY  - CONF
AU  - A Uljanov
AU  - Vladislav Demidov
AU  - E Mattison
AU  - R Vessot
AU  - D Allan
AU  - G Winkler
C2  - 22^und^ Annual Precise Time and Time Interval Meeting , Tysons Corner, VA
DA  - 1991-01-01
LA  - en
PB  - 22^und^ Annual Precise Time and Time Interval Meeting , Tysons Corner, VA
PY  - 1991
TI  - Performance of Soviet and U.S. Hydrogen Masers
ER  -