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2. United States Department of Transportation — Federal Highway Administration, SAFETEA-LU Funding Tables, 2009, p. 23. See http://www.fhwa.dot.gov/safetealu/fundtables.htm. (File: revfy09comptables.pdf). Accessed 05/09/2011.
3. Crack effects on gas and water permeability of concretes;Picandet;Cem. Concr. Res.,2009
4. Experimental investigation of adhesive-based self-healing of cementitious materials;Joseph;Mag. Concr. Res.,2010