TY  - RPRT
TI  - Preliminary results from comparisons of redundant tiltmeters at three sites in central California
AU  - C.E. Mortensen
AU  - M.J.S. Johnston
PY  - 1979
DO  - 10.1016/0040-1951(79)90208-7
UR  - https://pubs.usgs.gov/publication/70010397
ID  - 70010397
ER  -