http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
2nd ed. covers release 3 and release 4, major revisions.
xxiii, 765 pages : illustrations ; 25 cm.
Definitive guides to the X Window System ; v. 2
Definitive guides to the X Window System