TRB's National Cooperative Highway Research Program (NCHRP) Web-Only Document 80, Appendixes to NCHRP Report 555: Test Methods for Characterizing Aggregate Shape, Texture, and Angularity contains appendixes B trough E of NCHRP Report 555.
National Academies of Sciences, Engineering, and Medicine. 2007. Appendixes to NCHRP Report 555: Test Methods for Characterizing Aggregate Shape, Texture, and Angularity. Washington, DC: The National Academies Press. https://doi.org/10.17226/23206.
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