http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Borehole instrumentation for emergency mine rescue operations
2 unnumbered pages, 12 pages : illustrations ; 27 cm.
by Roger L. King and Merle L. Bowser : Pittsburg Mining and Safety Research Center.
Prepared for Bureau of Mines Coal Mine Health and Safety Program.
Bureau of Mines technical progress report ; 99