TY  - RPRT
TI  - Driving- stress waveform and the determination of rock internal friction by the stress-strain curve method.
AU  - Hsi-Ping Liu
PY  - 1980
DO  - 10.1111/j.1365-246x.1980.tb02638.x
UR  - https://pubs.usgs.gov/publication/70012386
ID  - 70012386
ER  -