http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Practice of rumble strips and rumble stripes
American Association of State Highway and Transportation Officials
52 pages : illustrations, charts ; 28 cm
consultants, Omar Smadi and Neal Hawkins, Iowa State University, Ames, Iowa.
"Research sponsored by the American Association of State Highway and Transportation Officials in cooperation with the Federal Highway Administration"
Includes bibliographical references (page 30).