Rutledge, James T. and Phillips, Scott  (2003) Hydraulic stimulation of natural fractures as revealed by induced microearthquakes, Carthage Cotton Valley gas field, east Texas.  GEOPHYSICS, 68 (2).  pp. 441-452. DOI: https://doi.org/10.1190/1.1567214 <https://doi.org/10.1190/1.1567214>