Moos, D. & Zoback, M. D. , 1990,
Utilization of observations of well bore failure to constrain the orientation and magnitude of crustal stresses:
application to continental, Deep Sea Drilling Project, and Ocean Drilling Program boreholes,
Journal of Geophysical Research, 95:B6, 9305-9325,
doi:10.1029/JB095iB06p09305
.