TY  - RPRT
TI  - Taking the Earth's Pulse
AU  - Robert L. Woodward
AU  - Harley Mitchell Benz
AU  - Kaye M. Shedlock
AU  - William M. Brown
PY  - 2000
DO  - 10.3133/fs10397
UR  - https://pubs.usgs.gov/publication/fs10397
ID  - fs10397
ER  -