TY  - RPRT
TI  - Subcritical crack propagation in westerly granite: An investigation into the double torsion method
AU  - P.L. Swanson
PY  - 1981
DO  - 10.1016/0148-9062(81)90008-5
UR  - https://pubs.usgs.gov/publication/70011925
ID  - 70011925
ER  -