1. Northeast-southwest compressive stress in Alberta: evidence from oil wells;Bell;Earth Planet. Sci. Lett.,1979
2. Wellbore stability;Cheatham;J. Petrol. Technol.,1984
3. Contraintes et ruptures autour de forages pétroliers;Guenot,1987
4. Cataclastic effects in rock salt laboratory and in-situ measurements;Gramberg,1984
5. Observations, recherches et résultats récents sur les mécanismes de rupture autour de galeries isolées. Report of the Commission on Rock Failure Mechanisms;Maury,1987