http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Self-contained self-rescuer field evaluation
16 unnumbered pages : digital, PDF file.
Title from title screen (viewed on July 9, 2008).
Mode of access: Internet at the National Institute for Occupational Safety and Health web site. Address as of 7/9/08: http://www.cdc.gov/niosh/mining/pubs/pdfs/ri9499.pdf ; current access available via PURL.
Self-contained self-rescuer (Mine rescue equipment)
Report of investigations (United States. Bureau of Mines) ; 9499