http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Proceedings, 1974 Rapid Excavation and Tunneling Conference, San Francisco, California, June 24-27, 1974
North American Rapid Excavation and Tunneling Conference 1974 : San Francisco)
American Institute of Mining, Metallurgical, and Petroleum Engineers
2 volumes : illustrations, graphs, maps ; 24 cm.
editors, Harry C. Pattison, Elio D'Appolonia ; sponsored by American Society of Civil Engineers, American Institute of Mining, Metallurgical & Petroleum Engineers.