http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
the untold story of America's ultra war against the U-boat Enigma codes
xxix, 272 pages, 16 unnumbered pages of plates : illustrations ; 25 cm.
Includes bibliographical references (pages [213]-253) and index.