Ross, Alwyn and Foulger, Gillian R. and Julian, Bruce R.  (1999) Source processes of industrially-induced earthquakes at The Geysers geothermal area, California.  GEOPHYSICS, 64 (6).  pp. 1877-1889. DOI: https://doi.org/10.1190/1.1444694 <https://doi.org/10.1190/1.1444694>