Bell, J. S. “Petro Geoscience 1. IN SITU STRESSES IN SEDIMENTARY ROCKS (PART 1): MEASUREMENT TECHNIQUES”. Geoscience Canada 23, no. 2 (June 6, 1996). Accessed December 25, 2024. https://journals.lib.unb.ca/index.php/GC/article/view/3902.