TY - RPRT TI - Mechanical and hydraulic properties of rocks related to induced seismicity AU - P. A. Witherspoon AU - J.E. Gale PY - 1977 DO - 10.1016/0013-7952(77)90018-7 UR - https://pubs.usgs.gov/publication/70009822 ID - 70009822 ER -