http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Rules for the construction of containers
Rules for the construction of containers - 2003 were approved by the PRS board on 23 April, 2003 and enter into force on 1 June, 2003. (Consolidated text incorporating Amendments no. 1/2003).