http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
French national project "microtunnels" recommendations
Comité français des travaux sans tranchée
1 online resource (342 pages) : illustrations
FSTT, French Society for Trenchless Technology.
Includes bibliographical references (pages [333]-340) and index.