1. Amadei B, Stephansson O (1997) Rock stress and its measurement. Springer, Dordrecht
2. Backers T, Stephansson O (2015) ISRM suggested method for the determination of mode II fracture toughness. In: Ulusay R (ed) The ISRM suggested methods for rock characterization, testing and monitoring: 2007–2014. Springer International Publishing, Cham, pp 45–56
3. Bae S, Kim J, Jeon S, Lee C (2010) Evaluation on the overall characteristics of in situ stress state by hydraulic fracturing test in Korea. In: ISRM international symposium-6th Asian rock mechanics symposium. International Society for Rock Mechanics, New Delhi, India, ARMS6-2010-018, pp 1–9
4. Barton CA, Zoback MD, Burns KL (1988) In-situ stress orientation and magnitude at the Fenton Geothermal Site, New Mexico, determined from wellbore breakouts. Geophys Res Lett 15:467–470
5. Bell JS, Gough DI (1979) Northeast–southwest compressive stress in Alberta evidence from oil wells. Earth Planet Sci Lett 45(2):475–482