http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Limiting Noise from Pumps, fans, and Compressors
Papers Read at the Conference Held at I Mech. E HQ. on 250cf 1977
Limiting Noise from Pumps , Fans, and Compressors