http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Water spray control of hazardous dust when breaking concrete with a jackhammer
National Institute for Occupational Safety and Health
1 online resource (4 unnumbered pages) : digital, PDF file.
Title from title screen (viewed Sept. 3, 2010).
Includes bibliographical references (pages [3-4]).