http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Reducing hazardous dust exposure when rock drilling during construction
National Institute for Occupational Safety and Health
1 online resource (4 unnumbered pages) : illustrations
Title from title screen (viewed on Aug. 23, 2010).
Includes bibliographical references (page [3]).