http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
comparison of microcomputer packages for network-based highway planning
State Department of Highways and Public Transportation.
by Duk M. Chang and Vergil G. Stover and George B. Dresser.
"Subarea analysis using microcomputers, research study number 2-10-87-1110. ."
Sponsored by Texas State Department of Highways and Public Transportation in cooperation with the U.S. Department of Transportation, Federal Highway Administration.