http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
2015 interim revisions to Standard specifications for structural supports for highway signs, luminaires, and traffic signals
AASHTO 2015 interim revisions to standard specifications for structural supports for highway signs, luminaires, and traffic signals
2015 interim revisions to structural supports for highway signs, luminaires, and traffic signals
American Association of State Highway and Transportation Officials
Prepared by the American Association of State Highway and Transportation Officials Highway Subcommittee on Bridges and Structures.
"Publication Code: LTS-6-I1"--Page 2 of cover.