http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
an introduction to structural arithmetic
xv, 412 pages : illustrations (part color) ; 22 cm.
by Catherine Stern and Margaret B. Stern. Illus. by Phillis Borea. Foreword by W. W. Sawyer.