共 2 条
[1]
MEASUREMENTS IN EARTH MODE FREQUENCY RANGE BY AN ELECTROSTATIC SENSING AND FEEDBACK GRAVIMETER
[J].
JOURNAL OF GEOPHYSICAL RESEARCH,
1966, 71 (18)
:4361-+
[2]
OBSERVATIONS OF FREE OSCILLATIONS OF EARTH
[J].
JOURNAL OF GEOPHYSICAL RESEARCH,
1961, 66 (02)
:621-+