http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Forest service road surface deterioration study
Forest Service Transportation Analysis Group.
2 volumes : illustrations, tables ; 28 cm.
pt. A. Description of field program--pt. B. Data analysis.
Prepared for the United States Forest Service Transportation Analysis Group under contract number GW-25214.
Special report (University of California, Berkeley. Institute of Transportation Studies)