http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
xiii, 721 pages : illustrations (some color) ; 24 cm. + 1 computer disk (3 1/2 in.)
System requirements for computer disk using IBM-compatible PC: DOS or Windows; Mathematica; high-density disk drive. Files may also be read by Macintosh, Unix and NeXT systems.
Includes bibliographical references and index.