TY  - RPRT
TI  - Rock friction under variable normal stress
AU  - Brian D. Kilgore
AU  - Nicholas M. Beeler
AU  - Julian C. Lozos
AU  - David Oglesby
PY  - 2017
DO  - 10.1002/2017jb014049
UR  - https://pubs.usgs.gov/publication/70192410
ID  - 70192410
ER  -