http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Investigation of purging and airlock contamination of mobile refuge alternatives
National Institute for Occupational Safety and Health
Office for Mine Safety and Health Research,
1 online resource (4 unnumbered pages, 51 pages) : illustrations (some color).
Eric R. Bauer, Timothy J. Matty, and Edward D. Thimons.
Title from title screen (viewed June 27, 2016).
Includes bibliographical references (pages 44-45).
Report of investigations (National Institute for Occupational Safety and Health) ; 9694