http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Particulate measurement-efficiency of Pallflex T60A20 filter media
Office of Mobile Source Air Pollution Control.
Standards Development and Support Branch,
1 online resource (5 pages) : one illustration
Particulate measurement (OCoLC)717427975