1. Donath, F.A. Strength variation and deformational behavior of anisotropic rocks. state of stress in the earth's crust: In: Proceedings of the International Conference on American Elsevier Publishing Co. 1964: 281–298.
2. The mechanical behavior of anisotropic sedimentary rocks;McLamore;Trans Am Soc Mech Eng Ser B,1967
3. Intrinsic shear strength of a brittle, anisotropic rock – I Experimental and mechanical interpretation;Attewell;Int J Rock Mech Min Sci Geomech Abstr,1974
4. Intrinsic shear strength of a brittle, anisotropic rock – II textural data acquisition and processing;Attewell;Int J Rock Mech Min Sci Geomech Abstr,1974
5. Intrinsic shear strength of a brittle, anisotropic rock – III textural interpretation of failure;Attewell;Int J Rock Mech Min Sci Geomech Abstr, 1974,1974