http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
World Tunnel Congress 2013 (2013 : Geneva, Switzerland)
1 online resource (xxix, 354 pages) : illustrations, maps
edited by Georg Anagnostou, Heinz Ehrbar.
Published on the occasion of the World Tunnel Congress, held in Geneva, Switzerland, from May 31 to June 7, 2013.