1. Modeling of non-tectonic factors in near surface in-situ stress measurements;Clark,1977
2. Hydraulic fracturing in porous and non-porous rock and its potential for determining in-situ stresses at a great depth;Haimson,1968
3. Overcoring equipment and techniques used in rock stress determinations;Hooker,1974
4. The measurement of stress in rock: a review of recent developments (and a Bibliography);Leeman,1969
5. In-situ strain orientations: a comparison of three measuring techniques;Rough,1971