http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Gas movers: compressors, fans and blowers -- Liquid and slurry movers: centrifugal and positive-displacement pumps -- Centrifugal pumps: Industry workhorse -- Pumps for special applications -- Seals, packing, piping and layout
Ed. Jay Matley, Staff of Chemical Engineering.