TY - RPRT TI - Fracture in Westerly granite under AE feedback and constant strain rate loading: Nucleation, quasi-static propagation, and the transition to unstable fracture propagation AU - B.D. Thompson AU - R.P. Young AU - D.A. Lockner PY - 2006 DO - 10.1007/s00024-006-0054-x UR - https://pubs.usgs.gov/publication/70030359 ID - 70030359 ER -