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Brooks, Z., Ulm, F.-J., Einstein, H.H., and Abousleiman, Y. (2010). A nanomechanical investigation of the crack tip process zone. In: Proceedings of the 44th U.S. Rock Mechanics Symposium and 5th U.S.-Canada Rock Mechanics Symposium, 27-30 June, Salt Lake City, Utah. ARMA-10-309