http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Transport Research Laboratory (Great Britain)
A.P Hewitt, P.G. Abbott, and P.M. Nelson.
"Prepared for QS (CE) Pavement Engineering Group, Highways Agency."
Includes bibliographical references (pages 30-31).