TY  - BOOK
AU  - Duerksen,Jacob Arthur
TI  - Pendulum gravity data in the United States
T2  - Special publication
PY  - 1949///
CY  - Washington
PB  - United States Government Printing Office
KW  - Gravity
KW  - United States
KW  - Observations
KW  - Pendulum
KW  - fast
KW  - Gravity pendulum
KW  - USA
KW  - Gravity measurement
KW  - Gravity Science
N1  - "Contains data on the pendulum gravity stations established ... 1891 to 1948."
ER  -