TY  - RPRT
TI  - Use of a bubble tiltmeter as a horizontal seismometer
AU  - Miller, W. F.
AU  - Geller, R. J.
AU  - Stein, S.
PY  - 1978
UR  - https://ntrs.nasa.gov/citations/19780066607
ID  - 19780066607
ER  -