http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Mokhtar S. Bazaraa, Hanif D. Sherali, C.M. Shetty.
Includes bibliographical references (p. 576-625) and index.
Wiley-Interscience series in discrete mathematics and optimization