TY  - RPRT
TI  - Global Positioning System surveying to monitor land subsidence in Sacramento Valley, California, USA
AU  - M. E. Ikehara
PY  - 1994
DO  - 10.1080/02626669409492765
UR  - https://pubs.usgs.gov/publication/70017543
ID  - 70017543
ER  -