http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Laminar flow biological safety cabinets (Class II) for personnel, environment and product protection
Biological safety cabinets. Part 2. Laminar flow biological safety cabinets (Class II) for personnel, environment and product protection
Part 2 of the series Biological safety cabinets.
Australian standard (Series) ; AS 2252.2 - 1994