http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Feasibility of implementing the 511 national traveler information number in Texas
Improved ITS information network for incident management and travelers
by Melisa D. Finley and Gerald L. Ullman.
Includes bibliographical references (page 23).
Research performed in cooperation with the Texas Department of Transportation.