http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
recommended material specifications and design requirements
National Cooperative Highway Research Program
American Association of State Highway and Transportation Officials
Y.G. Hsuan and Timothy J. McGrath ; prepared for National Cooperative Highway Research Program, Transportation Research Board, National Research Council.
"Transportation Research Board, National Research Council."
"Research sponsored by the American Association of State Highway and Transportation Officials in cooperation with the Federal Highway Administration."
Report (National Cooperative Highway Research Program) ; no. 429